Home / 3,151.26-4,727.30-2,932.56

Finding the Fourth Proportional to 3,151.26, 4,727.30 and 2,932.56

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Solution

The fourth proportional to 3,151.26, 4,727.30 and 2,932.56 is: 4,399.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,151.26 : 4,727.30 = 2,932.56 : x
  2. Step 2: Convert to fraction form
    3,151.26/4,727.30 = 2,932.56/x
  3. Step 3: Cross multiply
    3,151.26x = 4,727.30 × 2,932.56
  4. Step 4: Simplify right side
    3,151.26x = 13,863,076.23
  5. Step 5: Solve for x
    x = 13,863,076.23/3,151.26
  6. Step 6: Final answer
    x = 4,399.22

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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.