Home / 3,387.52-5,084.92-2,845.64

Finding the Fourth Proportional to 3,387.52, 5,084.92 and 2,845.64

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Solution

The fourth proportional to 3,387.52, 5,084.92 and 2,845.64 is: 4,271.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,387.52 : 5,084.92 = 2,845.64 : x
  2. Step 2: Convert to fraction form
    3,387.52/5,084.92 = 2,845.64/x
  3. Step 3: Cross multiply
    3,387.52x = 5,084.92 × 2,845.64
  4. Step 4: Simplify right side
    3,387.52x = 14,469,851.75
  5. Step 5: Solve for x
    x = 14,469,851.75/3,387.52
  6. Step 6: Final answer
    x = 4,271.52

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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.