Home / 3,425.62-5,139.68-1,451.74

Finding the Fourth Proportional to 3,425.62, 5,139.68 and 1,451.74

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Solution

The fourth proportional to 3,425.62, 5,139.68 and 1,451.74 is: 2,178.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,425.62 : 5,139.68 = 1,451.74 : x
  2. Step 2: Convert to fraction form
    3,425.62/5,139.68 = 1,451.74/x
  3. Step 3: Cross multiply
    3,425.62x = 5,139.68 × 1,451.74
  4. Step 4: Simplify right side
    3,425.62x = 7,461,479.04
  5. Step 5: Solve for x
    x = 7,461,479.04/3,425.62
  6. Step 6: Final answer
    x = 2,178.14

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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.