Home / 3,230.29-4,428.76-3,171.97

Finding the Fourth Proportional to 3,230.29, 4,428.76 and 3,171.97

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Solution

The fourth proportional to 3,230.29, 4,428.76 and 3,171.97 is: 4,348.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,230.29 : 4,428.76 = 3,171.97 : x
  2. Step 2: Convert to fraction form
    3,230.29/4,428.76 = 3,171.97/x
  3. Step 3: Cross multiply
    3,230.29x = 4,428.76 × 3,171.97
  4. Step 4: Simplify right side
    3,230.29x = 14,047,893.86
  5. Step 5: Solve for x
    x = 14,047,893.86/3,230.29
  6. Step 6: Final answer
    x = 4,348.80

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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.