Home / 3,614.31-5,418.18-1,391.73

Finding the Fourth Proportional to 3,614.31, 5,418.18 and 1,391.73

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Solution

The fourth proportional to 3,614.31, 5,418.18 and 1,391.73 is: 2,086.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,614.31 : 5,418.18 = 1,391.73 : x
  2. Step 2: Convert to fraction form
    3,614.31/5,418.18 = 1,391.73/x
  3. Step 3: Cross multiply
    3,614.31x = 5,418.18 × 1,391.73
  4. Step 4: Simplify right side
    3,614.31x = 7,540,623.33
  5. Step 5: Solve for x
    x = 7,540,623.33/3,614.31
  6. Step 6: Final answer
    x = 2,086.32

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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.