Home / 3,982.12-5,972.74-1,060.68

Finding the Fourth Proportional to 3,982.12, 5,972.74 and 1,060.68

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Solution

The fourth proportional to 3,982.12, 5,972.74 and 1,060.68 is: 1,590.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,982.12 : 5,972.74 = 1,060.68 : x
  2. Step 2: Convert to fraction form
    3,982.12/5,972.74 = 1,060.68/x
  3. Step 3: Cross multiply
    3,982.12x = 5,972.74 × 1,060.68
  4. Step 4: Simplify right side
    3,982.12x = 6,335,165.86
  5. Step 5: Solve for x
    x = 6,335,165.86/3,982.12
  6. Step 6: Final answer
    x = 1,590.90

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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.