Home / 3,609.10-5,418.63-2,495.78

Finding the Fourth Proportional to 3,609.10, 5,418.63 and 2,495.78

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Solution

The fourth proportional to 3,609.10, 5,418.63 and 2,495.78 is: 3,747.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,609.10 : 5,418.63 = 2,495.78 : x
  2. Step 2: Convert to fraction form
    3,609.10/5,418.63 = 2,495.78/x
  3. Step 3: Cross multiply
    3,609.10x = 5,418.63 × 2,495.78
  4. Step 4: Simplify right side
    3,609.10x = 13,523,695.90
  5. Step 5: Solve for x
    x = 13,523,695.90/3,609.10
  6. Step 6: Final answer
    x = 3,747.12

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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.