Home / 3,531.80-4,874.11-1,959.89

Finding the Fourth Proportional to 3,531.80, 4,874.11 and 1,959.89

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Solution

The fourth proportional to 3,531.80, 4,874.11 and 1,959.89 is: 2,704.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,531.80 : 4,874.11 = 1,959.89 : x
  2. Step 2: Convert to fraction form
    3,531.80/4,874.11 = 1,959.89/x
  3. Step 3: Cross multiply
    3,531.80x = 4,874.11 × 1,959.89
  4. Step 4: Simplify right side
    3,531.80x = 9,552,726.73
  5. Step 5: Solve for x
    x = 9,552,726.73/3,531.80
  6. Step 6: Final answer
    x = 2,704.78

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.