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Finding the Fourth Proportional to 3,387.01, 5,077.92 and 1,607.17

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Solution

The fourth proportional to 3,387.01, 5,077.92 and 1,607.17 is: 2,409.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,387.01 : 5,077.92 = 1,607.17 : x
  2. Step 2: Convert to fraction form
    3,387.01/5,077.92 = 1,607.17/x
  3. Step 3: Cross multiply
    3,387.01x = 5,077.92 × 1,607.17
  4. Step 4: Simplify right side
    3,387.01x = 8,161,080.69
  5. Step 5: Solve for x
    x = 8,161,080.69/3,387.01
  6. Step 6: Final answer
    x = 2,409.52

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1.5x scale

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.