Home / 3,452.52-5,181.84-2,279.28

Finding the Fourth Proportional to 3,452.52, 5,181.84 and 2,279.28

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Solution

The fourth proportional to 3,452.52, 5,181.84 and 2,279.28 is: 3,420.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,452.52 : 5,181.84 = 2,279.28 : x
  2. Step 2: Convert to fraction form
    3,452.52/5,181.84 = 2,279.28/x
  3. Step 3: Cross multiply
    3,452.52x = 5,181.84 × 2,279.28
  4. Step 4: Simplify right side
    3,452.52x = 11,810,864.28
  5. Step 5: Solve for x
    x = 11,810,864.28/3,452.52
  6. Step 6: Final answer
    x = 3,420.94

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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.