Home / 3,159.27-4,361.45-2,217.92

Finding the Fourth Proportional to 3,159.27, 4,361.45 and 2,217.92

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Solution

The fourth proportional to 3,159.27, 4,361.45 and 2,217.92 is: 3,061.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,159.27 : 4,361.45 = 2,217.92 : x
  2. Step 2: Convert to fraction form
    3,159.27/4,361.45 = 2,217.92/x
  3. Step 3: Cross multiply
    3,159.27x = 4,361.45 × 2,217.92
  4. Step 4: Simplify right side
    3,159.27x = 9,673,314.29
  5. Step 5: Solve for x
    x = 9,673,314.29/3,159.27
  6. Step 6: Final answer
    x = 3,061.88

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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.