Home / 3,791.30-5,231.03-2,464.79

Finding the Fourth Proportional to 3,791.30, 5,231.03 and 2,464.79

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Solution

The fourth proportional to 3,791.30, 5,231.03 and 2,464.79 is: 3,400.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,791.30 : 5,231.03 = 2,464.79 : x
  2. Step 2: Convert to fraction form
    3,791.30/5,231.03 = 2,464.79/x
  3. Step 3: Cross multiply
    3,791.30x = 5,231.03 × 2,464.79
  4. Step 4: Simplify right side
    3,791.30x = 12,893,351.95
  5. Step 5: Solve for x
    x = 12,893,351.95/3,791.30
  6. Step 6: Final answer
    x = 3,400.78

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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.