Home / 3,115.38-4,666.48-2,519.84

Finding the Fourth Proportional to 3,115.38, 4,666.48 and 2,519.84

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Solution

The fourth proportional to 3,115.38, 4,666.48 and 2,519.84 is: 3,774.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,115.38 : 4,666.48 = 2,519.84 : x
  2. Step 2: Convert to fraction form
    3,115.38/4,666.48 = 2,519.84/x
  3. Step 3: Cross multiply
    3,115.38x = 4,666.48 × 2,519.84
  4. Step 4: Simplify right side
    3,115.38x = 11,758,788.33
  5. Step 5: Solve for x
    x = 11,758,788.33/3,115.38
  6. Step 6: Final answer
    x = 3,774.43

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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.