Home / 3,982.48-5,972.28-1,349.56

Finding the Fourth Proportional to 3,982.48, 5,972.28 and 1,349.56

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Solution

The fourth proportional to 3,982.48, 5,972.28 and 1,349.56 is: 2,023.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,982.48 : 5,972.28 = 1,349.56 : x
  2. Step 2: Convert to fraction form
    3,982.48/5,972.28 = 1,349.56/x
  3. Step 3: Cross multiply
    3,982.48x = 5,972.28 × 1,349.56
  4. Step 4: Simplify right side
    3,982.48x = 8,059,950.20
  5. Step 5: Solve for x
    x = 8,059,950.20/3,982.48
  6. Step 6: Final answer
    x = 2,023.85

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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.