Home / 3,374.28-5,062.68-1,425.96

Finding the Fourth Proportional to 3,374.28, 5,062.68 and 1,425.96

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Solution

The fourth proportional to 3,374.28, 5,062.68 and 1,425.96 is: 2,139.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,374.28 : 5,062.68 = 1,425.96 : x
  2. Step 2: Convert to fraction form
    3,374.28/5,062.68 = 1,425.96/x
  3. Step 3: Cross multiply
    3,374.28x = 5,062.68 × 1,425.96
  4. Step 4: Simplify right side
    3,374.28x = 7,219,179.17
  5. Step 5: Solve for x
    x = 7,219,179.17/3,374.28
  6. Step 6: Final answer
    x = 2,139.47

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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.