Home / 3,998.04-5,517.30-2,229.76

Finding the Fourth Proportional to 3,998.04, 5,517.30 and 2,229.76

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Solution

The fourth proportional to 3,998.04, 5,517.30 and 2,229.76 is: 3,077.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,998.04 : 5,517.30 = 2,229.76 : x
  2. Step 2: Convert to fraction form
    3,998.04/5,517.30 = 2,229.76/x
  3. Step 3: Cross multiply
    3,998.04x = 5,517.30 × 2,229.76
  4. Step 4: Simplify right side
    3,998.04x = 12,302,254.85
  5. Step 5: Solve for x
    x = 12,302,254.85/3,998.04
  6. Step 6: Final answer
    x = 3,077.07

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.