Home / 3,997.58-5,516.50-2,229.14

Finding the Fourth Proportional to 3,997.58, 5,516.50 and 2,229.14

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Solution

The fourth proportional to 3,997.58, 5,516.50 and 2,229.14 is: 3,076.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,997.58 : 5,516.50 = 2,229.14 : x
  2. Step 2: Convert to fraction form
    3,997.58/5,516.50 = 2,229.14/x
  3. Step 3: Cross multiply
    3,997.58x = 5,516.50 × 2,229.14
  4. Step 4: Simplify right side
    3,997.58x = 12,297,050.81
  5. Step 5: Solve for x
    x = 12,297,050.81/3,997.58
  6. Step 6: Final answer
    x = 3,076.12

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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.