Home / 3,229.98-4,428.34-3,171.66

Finding the Fourth Proportional to 3,229.98, 4,428.34 and 3,171.66

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Solution

The fourth proportional to 3,229.98, 4,428.34 and 3,171.66 is: 4,348.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,229.98 : 4,428.34 = 3,171.66 : x
  2. Step 2: Convert to fraction form
    3,229.98/4,428.34 = 3,171.66/x
  3. Step 3: Cross multiply
    3,229.98x = 4,428.34 × 3,171.66
  4. Step 4: Simplify right side
    3,229.98x = 14,045,188.84
  5. Step 5: Solve for x
    x = 14,045,188.84/3,229.98
  6. Step 6: Final answer
    x = 4,348.38

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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.