Home / 3,659.78-5,050.13-2,481.30

Finding the Fourth Proportional to 3,659.78, 5,050.13 and 2,481.30

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Solution

The fourth proportional to 3,659.78, 5,050.13 and 2,481.30 is: 3,423.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,659.78 : 5,050.13 = 2,481.30 : x
  2. Step 2: Convert to fraction form
    3,659.78/5,050.13 = 2,481.30/x
  3. Step 3: Cross multiply
    3,659.78x = 5,050.13 × 2,481.30
  4. Step 4: Simplify right side
    3,659.78x = 12,530,887.57
  5. Step 5: Solve for x
    x = 12,530,887.57/3,659.78
  6. Step 6: Final answer
    x = 3,423.95

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.