Home / 3,580.11-5,378.40-2,542.64

Finding the Fourth Proportional to 3,580.11, 5,378.40 and 2,542.64

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Solution

The fourth proportional to 3,580.11, 5,378.40 and 2,542.64 is: 3,819.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,580.11 : 5,378.40 = 2,542.64 : x
  2. Step 2: Convert to fraction form
    3,580.11/5,378.40 = 2,542.64/x
  3. Step 3: Cross multiply
    3,580.11x = 5,378.40 × 2,542.64
  4. Step 4: Simplify right side
    3,580.11x = 13,675,308.08
  5. Step 5: Solve for x
    x = 13,675,308.08/3,580.11
  6. Step 6: Final answer
    x = 3,819.80

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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.