Finding the Fourth Proportional to 2,702, 4,053 and 650
Calculator
Solution
The fourth proportional to 2,702, 4,053 and 650 is: 975
Step by Step Solution
- Step 1: Write the proportion equation
2,702 : 4,053 = 650 : x - Step 2: Convert to fraction form
2,702/4,053 = 650/x - Step 3: Cross multiply
2,702x = 4,053 × 650 - Step 4: Simplify right side
2,702x = 2,634,450 - Step 5: Solve for x
x = 2,634,450/2,702 - Step 6: Final answer
x = 975
Related Problems
Find fourth proportional to 1,351, 2,026.50 and 325
Half scale
Find fourth proportional to 5,404, 8,106 and 1,300
Double scale
Find fourth proportional to 2,703, 4,054.50 and 651
Similar ratio
Find fourth proportional to 4,053, 6,079.50 and 975
1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.