Home / 3,972.11-5,948.69-3,147.71

Finding the Fourth Proportional to 3,972.11, 5,948.69 and 3,147.71

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Solution

The fourth proportional to 3,972.11, 5,948.69 and 3,147.71 is: 4,714.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,972.11 : 5,948.69 = 3,147.71 : x
  2. Step 2: Convert to fraction form
    3,972.11/5,948.69 = 3,147.71/x
  3. Step 3: Cross multiply
    3,972.11x = 5,948.69 × 3,147.71
  4. Step 4: Simplify right side
    3,972.11x = 18,724,705.52
  5. Step 5: Solve for x
    x = 18,724,705.52/3,972.11
  6. Step 6: Final answer
    x = 4,714.05

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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.