Home / 3,982.61-5,974.62-1,517.66

Finding the Fourth Proportional to 3,982.61, 5,974.62 and 1,517.66

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Solution

The fourth proportional to 3,982.61, 5,974.62 and 1,517.66 is: 2,276.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,982.61 : 5,974.62 = 1,517.66 : x
  2. Step 2: Convert to fraction form
    3,982.61/5,974.62 = 1,517.66/x
  3. Step 3: Cross multiply
    3,982.61x = 5,974.62 × 1,517.66
  4. Step 4: Simplify right side
    3,982.61x = 9,067,441.79
  5. Step 5: Solve for x
    x = 9,067,441.79/3,982.61
  6. Step 6: Final answer
    x = 2,276.76

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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.