Finding the Fourth Proportional to 1,579.92, 2,370.36 and 554
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Solution
The fourth proportional to 1,579.92, 2,370.36 and 554 is: 831.17
Step by Step Solution
- Step 1: Write the proportion equation
1,579.92 : 2,370.36 = 554 : x - Step 2: Convert to fraction form
1,579.92/2,370.36 = 554/x - Step 3: Cross multiply
1,579.92x = 2,370.36 × 554 - Step 4: Simplify right side
1,579.92x = 1,313,179.44 - Step 5: Solve for x
x = 1,313,179.44/1,579.92 - Step 6: Final answer
x = 831.17
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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.