Home / 3,969.33-5,473.17-2,531.77

Finding the Fourth Proportional to 3,969.33, 5,473.17 and 2,531.77

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Solution

The fourth proportional to 3,969.33, 5,473.17 and 2,531.77 is: 3,490.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,969.33 : 5,473.17 = 2,531.77 : x
  2. Step 2: Convert to fraction form
    3,969.33/5,473.17 = 2,531.77/x
  3. Step 3: Cross multiply
    3,969.33x = 5,473.17 × 2,531.77
  4. Step 4: Simplify right side
    3,969.33x = 13,856,807.61
  5. Step 5: Solve for x
    x = 13,856,807.61/3,969.33
  6. Step 6: Final answer
    x = 3,490.97

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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.