Home / 3,151.86-4,721.31-2,532.21

Finding the Fourth Proportional to 3,151.86, 4,721.31 and 2,532.21

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Solution

The fourth proportional to 3,151.86, 4,721.31 and 2,532.21 is: 3,793.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,151.86 : 4,721.31 = 2,532.21 : x
  2. Step 2: Convert to fraction form
    3,151.86/4,721.31 = 2,532.21/x
  3. Step 3: Cross multiply
    3,151.86x = 4,721.31 × 2,532.21
  4. Step 4: Simplify right side
    3,151.86x = 11,955,348.40
  5. Step 5: Solve for x
    x = 11,955,348.40/3,151.86
  6. Step 6: Final answer
    x = 3,793.11

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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.