Finding the Fourth Proportional to 1,597.74, 2,397.69 and 623.72
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Solution
The fourth proportional to 1,597.74, 2,397.69 and 623.72 is: 935.99
Step by Step Solution
- Step 1: Write the proportion equation
1,597.74 : 2,397.69 = 623.72 : x - Step 2: Convert to fraction form
1,597.74/2,397.69 = 623.72/x - Step 3: Cross multiply
1,597.74x = 2,397.69 × 623.72 - Step 4: Simplify right side
1,597.74x = 1,495,475.22 - Step 5: Solve for x
x = 1,495,475.22/1,597.74 - Step 6: Final answer
x = 935.99
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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.