Home / 3,948.33-5,447.34-2,531.91

Finding the Fourth Proportional to 3,948.33, 5,447.34 and 2,531.91

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Solution

The fourth proportional to 3,948.33, 5,447.34 and 2,531.91 is: 3,493.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,948.33 : 5,447.34 = 2,531.91 : x
  2. Step 2: Convert to fraction form
    3,948.33/5,447.34 = 2,531.91/x
  3. Step 3: Cross multiply
    3,948.33x = 5,447.34 × 2,531.91
  4. Step 4: Simplify right side
    3,948.33x = 13,792,160.85
  5. Step 5: Solve for x
    x = 13,792,160.85/3,948.33
  6. Step 6: Final answer
    x = 3,493.16

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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.