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Finding the Fourth Proportional to 1,334.76, 2,001.53 and 410.00

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Solution

The fourth proportional to 1,334.76, 2,001.53 and 410.00 is: 614.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,334.76 : 2,001.53 = 410.00 : x
  2. Step 2: Convert to fraction form
    1,334.76/2,001.53 = 410.00/x
  3. Step 3: Cross multiply
    1,334.76x = 2,001.53 × 410.00
  4. Step 4: Simplify right side
    1,334.76x = 820,617.29
  5. Step 5: Solve for x
    x = 820,617.29/1,334.76
  6. Step 6: Final answer
    x = 614.81

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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.