|___________| al 2-leatemp
|___________|_________|________|_______|al 4-lea
|___________|_________|primul
|___________|_________|_________|al 3-lea
notam cu x un segment
x+4x+2x+3x=660
10x=660
x=66 edte al 2-lea numar
66x4=264al 4-lea numar
66x2=132 primul numar
66x2=198 al 3-lea
Verificare:66+264+132+198=660