Home / 3,997.66-5,516.78-2,229.38

Finding the Fourth Proportional to 3,997.66, 5,516.78 and 2,229.38

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Solution

The fourth proportional to 3,997.66, 5,516.78 and 2,229.38 is: 3,076.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,997.66 : 5,516.78 = 2,229.38 : x
  2. Step 2: Convert to fraction form
    3,997.66/5,516.78 = 2,229.38/x
  3. Step 3: Cross multiply
    3,997.66x = 5,516.78 × 2,229.38
  4. Step 4: Simplify right side
    3,997.66x = 12,298,999.00
  5. Step 5: Solve for x
    x = 12,298,999.00/3,997.66
  6. Step 6: Final answer
    x = 3,076.55

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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.