Home / 3,132.43-4,309.95-2,711.44

Finding the Fourth Proportional to 3,132.43, 4,309.95 and 2,711.44

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Solution

The fourth proportional to 3,132.43, 4,309.95 and 2,711.44 is: 3,730.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,132.43 : 4,309.95 = 2,711.44 : x
  2. Step 2: Convert to fraction form
    3,132.43/4,309.95 = 2,711.44/x
  3. Step 3: Cross multiply
    3,132.43x = 4,309.95 × 2,711.44
  4. Step 4: Simplify right side
    3,132.43x = 11,686,170.83
  5. Step 5: Solve for x
    x = 11,686,170.83/3,132.43
  6. Step 6: Final answer
    x = 3,730.70

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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.