Home / 3,801.82-5,247.76-2,229.88

Finding the Fourth Proportional to 3,801.82, 5,247.76 and 2,229.88

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Solution

The fourth proportional to 3,801.82, 5,247.76 and 2,229.88 is: 3,077.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,801.82 : 5,247.76 = 2,229.88 : x
  2. Step 2: Convert to fraction form
    3,801.82/5,247.76 = 2,229.88/x
  3. Step 3: Cross multiply
    3,801.82x = 5,247.76 × 2,229.88
  4. Step 4: Simplify right side
    3,801.82x = 11,701,875.07
  5. Step 5: Solve for x
    x = 11,701,875.07/3,801.82
  6. Step 6: Final answer
    x = 3,077.97

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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.