Home / 3,531.30-4,872.33-2,747.58

Finding the Fourth Proportional to 3,531.30, 4,872.33 and 2,747.58

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Solution

The fourth proportional to 3,531.30, 4,872.33 and 2,747.58 is: 3,790.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,531.30 : 4,872.33 = 2,747.58 : x
  2. Step 2: Convert to fraction form
    3,531.30/4,872.33 = 2,747.58/x
  3. Step 3: Cross multiply
    3,531.30x = 4,872.33 × 2,747.58
  4. Step 4: Simplify right side
    3,531.30x = 13,387,116.46
  5. Step 5: Solve for x
    x = 13,387,116.46/3,531.30
  6. Step 6: Final answer
    x = 3,790.99

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1.5x scale

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.