Home / 3,229.93-4,428.26-3,171.61

Finding the Fourth Proportional to 3,229.93, 4,428.26 and 3,171.61

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Solution

The fourth proportional to 3,229.93, 4,428.26 and 3,171.61 is: 4,348.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,229.93 : 4,428.26 = 3,171.61 : x
  2. Step 2: Convert to fraction form
    3,229.93/4,428.26 = 3,171.61/x
  3. Step 3: Cross multiply
    3,229.93x = 4,428.26 × 3,171.61
  4. Step 4: Simplify right side
    3,229.93x = 14,044,713.70
  5. Step 5: Solve for x
    x = 14,044,713.70/3,229.93
  6. Step 6: Final answer
    x = 4,348.30

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.