Home / 4,251.28-6,377.31-1,654.42

Finding the Fourth Proportional to 4,251.28, 6,377.31 and 1,654.42

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Solution

The fourth proportional to 4,251.28, 6,377.31 and 1,654.42 is: 2,481.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,251.28 : 6,377.31 = 1,654.42 : x
  2. Step 2: Convert to fraction form
    4,251.28/6,377.31 = 1,654.42/x
  3. Step 3: Cross multiply
    4,251.28x = 6,377.31 × 1,654.42
  4. Step 4: Simplify right side
    4,251.28x = 10,550,749.21
  5. Step 5: Solve for x
    x = 10,550,749.21/4,251.28
  6. Step 6: Final answer
    x = 2,481.78

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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.