Home / 3,982.10-5,972.40-1,060.65

Finding the Fourth Proportional to 3,982.10, 5,972.40 and 1,060.65

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Solution

The fourth proportional to 3,982.10, 5,972.40 and 1,060.65 is: 1,590.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,982.10 : 5,972.40 = 1,060.65 : x
  2. Step 2: Convert to fraction form
    3,982.10/5,972.40 = 1,060.65/x
  3. Step 3: Cross multiply
    3,982.10x = 5,972.40 × 1,060.65
  4. Step 4: Simplify right side
    3,982.10x = 6,334,626.06
  5. Step 5: Solve for x
    x = 6,334,626.06/3,982.10
  6. Step 6: Final answer
    x = 1,590.78

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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.