Home / 3,791.25-5,686.87-1,481.13

Finding the Fourth Proportional to 3,791.25, 5,686.87 and 1,481.13

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Solution

The fourth proportional to 3,791.25, 5,686.87 and 1,481.13 is: 2,221.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,791.25 : 5,686.87 = 1,481.13 : x
  2. Step 2: Convert to fraction form
    3,791.25/5,686.87 = 1,481.13/x
  3. Step 3: Cross multiply
    3,791.25x = 5,686.87 × 1,481.13
  4. Step 4: Simplify right side
    3,791.25x = 8,422,961.63
  5. Step 5: Solve for x
    x = 8,422,961.63/3,791.25
  6. Step 6: Final answer
    x = 2,221.69

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1.5x scale

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.