Home / 3,805.52-5,251.91-2,801.82

Finding the Fourth Proportional to 3,805.52, 5,251.91 and 2,801.82

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Solution

The fourth proportional to 3,805.52, 5,251.91 and 2,801.82 is: 3,866.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,805.52 : 5,251.91 = 2,801.82 : x
  2. Step 2: Convert to fraction form
    3,805.52/5,251.91 = 2,801.82/x
  3. Step 3: Cross multiply
    3,805.52x = 5,251.91 × 2,801.82
  4. Step 4: Simplify right side
    3,805.52x = 14,714,913.48
  5. Step 5: Solve for x
    x = 14,714,913.48/3,805.52
  6. Step 6: Final answer
    x = 3,866.73

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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.