Home / 2,452.32-3,679.08-720.96

Finding the Fourth Proportional to 2,452.32, 3,679.08 and 720.96

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Solution

The fourth proportional to 2,452.32, 3,679.08 and 720.96 is: 1,081.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,452.32 : 3,679.08 = 720.96 : x
  2. Step 2: Convert to fraction form
    2,452.32/3,679.08 = 720.96/x
  3. Step 3: Cross multiply
    2,452.32x = 3,679.08 × 720.96
  4. Step 4: Simplify right side
    2,452.32x = 2,652,469.52
  5. Step 5: Solve for x
    x = 2,652,469.52/2,452.32
  6. Step 6: Final answer
    x = 1,081.62

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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.