As per given question,
Percentage population below poverty line = 12 %
Percentage population above poverty line = ( 100 - 12 ) % = 88 %
Proportion of male and female above poverty line = 4 : 3
The total population of state A = 3000
The population above poverty line in state A = 3000 x 88 %
Number of females above poverty line in State A = 3000 x 88 % x 3 / 7 ≈ 1200.
