Home / 2,865.73-4,308.31-2,288.11

Finding the Fourth Proportional to 2,865.73, 4,308.31 and 2,288.11

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Solution

The fourth proportional to 2,865.73, 4,308.31 and 2,288.11 is: 3,439.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,865.73 : 4,308.31 = 2,288.11 : x
  2. Step 2: Convert to fraction form
    2,865.73/4,308.31 = 2,288.11/x
  3. Step 3: Cross multiply
    2,865.73x = 4,308.31 × 2,288.11
  4. Step 4: Simplify right side
    2,865.73x = 9,857,859.93
  5. Step 5: Solve for x
    x = 9,857,859.93/2,865.73
  6. Step 6: Final answer
    x = 3,439.92

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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.