Home / 3,789.24-5,229.56-2,218.65

Finding the Fourth Proportional to 3,789.24, 5,229.56 and 2,218.65

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Solution

The fourth proportional to 3,789.24, 5,229.56 and 2,218.65 is: 3,061.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,789.24 : 5,229.56 = 2,218.65 : x
  2. Step 2: Convert to fraction form
    3,789.24/5,229.56 = 2,218.65/x
  3. Step 3: Cross multiply
    3,789.24x = 5,229.56 × 2,218.65
  4. Step 4: Simplify right side
    3,789.24x = 11,602,552.20
  5. Step 5: Solve for x
    x = 11,602,552.20/3,789.24
  6. Step 6: Final answer
    x = 3,061.97

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1.5x scale

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.