Home / 2,455.85-3,679.13-1,452.20

Finding the Fourth Proportional to 2,455.85, 3,679.13 and 1,452.20

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Solution

The fourth proportional to 2,455.85, 3,679.13 and 1,452.20 is: 2,175.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,455.85 : 3,679.13 = 1,452.20 : x
  2. Step 2: Convert to fraction form
    2,455.85/3,679.13 = 1,452.20/x
  3. Step 3: Cross multiply
    2,455.85x = 3,679.13 × 1,452.20
  4. Step 4: Simplify right side
    2,455.85x = 5,342,832.59
  5. Step 5: Solve for x
    x = 5,342,832.59/2,455.85
  6. Step 6: Final answer
    x = 2,175.55

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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.