Home / 3,989.15-5,983.77-2,233.88

Finding the Fourth Proportional to 3,989.15, 5,983.77 and 2,233.88

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Solution

The fourth proportional to 3,989.15, 5,983.77 and 2,233.88 is: 3,350.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,989.15 : 5,983.77 = 2,233.88 : x
  2. Step 2: Convert to fraction form
    3,989.15/5,983.77 = 2,233.88/x
  3. Step 3: Cross multiply
    3,989.15x = 5,983.77 × 2,233.88
  4. Step 4: Simplify right side
    3,989.15x = 13,367,025.02
  5. Step 5: Solve for x
    x = 13,367,025.02/3,989.15
  6. Step 6: Final answer
    x = 3,350.85

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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.