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Finding the Fourth Proportional to 2,602.56, 3,901.14 and 1,626.42

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Solution

The fourth proportional to 2,602.56, 3,901.14 and 1,626.42 is: 2,437.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,602.56 : 3,901.14 = 1,626.42 : x
  2. Step 2: Convert to fraction form
    2,602.56/3,901.14 = 1,626.42/x
  3. Step 3: Cross multiply
    2,602.56x = 3,901.14 × 1,626.42
  4. Step 4: Simplify right side
    2,602.56x = 6,344,892.12
  5. Step 5: Solve for x
    x = 6,344,892.12/2,602.56
  6. Step 6: Final answer
    x = 2,437.94

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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.