Home / 3,167.20-4,747.38-1,522.72

Finding the Fourth Proportional to 3,167.20, 4,747.38 and 1,522.72

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Solution

The fourth proportional to 3,167.20, 4,747.38 and 1,522.72 is: 2,282.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,167.20 : 4,747.38 = 1,522.72 : x
  2. Step 2: Convert to fraction form
    3,167.20/4,747.38 = 1,522.72/x
  3. Step 3: Cross multiply
    3,167.20x = 4,747.38 × 1,522.72
  4. Step 4: Simplify right side
    3,167.20x = 7,228,930.47
  5. Step 5: Solve for x
    x = 7,228,930.47/3,167.20
  6. Step 6: Final answer
    x = 2,282.44

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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.