Finding the Fourth Proportional to 1,398, 2,096.92 and 576.08
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Solution
The fourth proportional to 1,398, 2,096.92 and 576.08 is: 864.09
Step by Step Solution
- Step 1: Write the proportion equation
1,398 : 2,096.92 = 576.08 : x - Step 2: Convert to fraction form
1,398/2,096.92 = 576.08/x - Step 3: Cross multiply
1,398x = 2,096.92 × 576.08 - Step 4: Simplify right side
1,398x = 1,207,993.67 - Step 5: Solve for x
x = 1,207,993.67/1,398 - Step 6: Final answer
x = 864.09
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.