Home / 3,115.46-4,666.49-1,469.54

Finding the Fourth Proportional to 3,115.46, 4,666.49 and 1,469.54

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Solution

The fourth proportional to 3,115.46, 4,666.49 and 1,469.54 is: 2,201.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,115.46 : 4,666.49 = 1,469.54 : x
  2. Step 2: Convert to fraction form
    3,115.46/4,666.49 = 1,469.54/x
  3. Step 3: Cross multiply
    3,115.46x = 4,666.49 × 1,469.54
  4. Step 4: Simplify right side
    3,115.46x = 6,857,593.71
  5. Step 5: Solve for x
    x = 6,857,593.71/3,115.46
  6. Step 6: Final answer
    x = 2,201.15

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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.