List of 4:3 - 16:9 - 16:10 Aspect Ratio

This is a good guidelines for video or image creation/editing etc :)

4:3 Resolution - Aspect ratio
640x480-----4:3
800x600-----4:3
1024x768-----4:3
1152x864-----4:3
1280x960-----4:3
1400x1050-----4:3
1600x1200-----4:3
2048x1536-----4:3
3200x2400-----4:3
4000x3000-----4:3
6400x4800-----4:3

16:9 Resolution - Aspect ratio
852x480-----16:9
1280x720-----16:9
1365x768-----16:9
1600x900-----16:9
1920x1080-----16:9

16:10 Resolution - Aspect ratio
1440x900-----16:10
1680x1050-----16:10
1920x1200-----16:10
2560x1600-----16:10
3840x2400-----16:10
7680x4800-----16:10

You can go bigger, using the same rule though.