Home / 3,766.52-5,198.28-2,688.97

Finding the Fourth Proportional to 3,766.52, 5,198.28 and 2,688.97

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Solution

The fourth proportional to 3,766.52, 5,198.28 and 2,688.97 is: 3,711.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,766.52 : 5,198.28 = 2,688.97 : x
  2. Step 2: Convert to fraction form
    3,766.52/5,198.28 = 2,688.97/x
  3. Step 3: Cross multiply
    3,766.52x = 5,198.28 × 2,688.97
  4. Step 4: Simplify right side
    3,766.52x = 13,977,979.54
  5. Step 5: Solve for x
    x = 13,977,979.54/3,766.52
  6. Step 6: Final answer
    x = 3,711.11

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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.