Finding the Fourth Proportional to 1,368.24, 2,052 and 502.08
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Solution
The fourth proportional to 1,368.24, 2,052 and 502.08 is: 752.99
Step by Step Solution
- Step 1: Write the proportion equation
1,368.24 : 2,052 = 502.08 : x - Step 2: Convert to fraction form
1,368.24/2,052 = 502.08/x - Step 3: Cross multiply
1,368.24x = 2,052 × 502.08 - Step 4: Simplify right side
1,368.24x = 1,030,268.16 - Step 5: Solve for x
x = 1,030,268.16/1,368.24 - Step 6: Final answer
x = 752.99
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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.