Home / 3,167.73-4,753.58-1,220.13

Finding the Fourth Proportional to 3,167.73, 4,753.58 and 1,220.13

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Solution

The fourth proportional to 3,167.73, 4,753.58 and 1,220.13 is: 1,830.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,167.73 : 4,753.58 = 1,220.13 : x
  2. Step 2: Convert to fraction form
    3,167.73/4,753.58 = 1,220.13/x
  3. Step 3: Cross multiply
    3,167.73x = 4,753.58 × 1,220.13
  4. Step 4: Simplify right side
    3,167.73x = 5,799,979.46
  5. Step 5: Solve for x
    x = 5,799,979.46/3,167.73
  6. Step 6: Final answer
    x = 1,830.96

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.