Home / 3,949.95-5,920.66-2,002.30

Finding the Fourth Proportional to 3,949.95, 5,920.66 and 2,002.30

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Solution

The fourth proportional to 3,949.95, 5,920.66 and 2,002.30 is: 3,001.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,949.95 : 5,920.66 = 2,002.30 : x
  2. Step 2: Convert to fraction form
    3,949.95/5,920.66 = 2,002.30/x
  3. Step 3: Cross multiply
    3,949.95x = 5,920.66 × 2,002.30
  4. Step 4: Simplify right side
    3,949.95x = 11,854,937.52
  5. Step 5: Solve for x
    x = 11,854,937.52/3,949.95
  6. Step 6: Final answer
    x = 3,001.29

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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.