Home / 3,997.36-5,516.38-2,229.08

Finding the Fourth Proportional to 3,997.36, 5,516.38 and 2,229.08

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Solution

The fourth proportional to 3,997.36, 5,516.38 and 2,229.08 is: 3,076.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,997.36 : 5,516.38 = 2,229.08 : x
  2. Step 2: Convert to fraction form
    3,997.36/5,516.38 = 2,229.08/x
  3. Step 3: Cross multiply
    3,997.36x = 5,516.38 × 2,229.08
  4. Step 4: Simplify right side
    3,997.36x = 12,296,424.75
  5. Step 5: Solve for x
    x = 12,296,424.75/3,997.36
  6. Step 6: Final answer
    x = 3,076.14

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Half scale
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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.