Home / 3,142.16-4,323.39-2,882.96

Finding the Fourth Proportional to 3,142.16, 4,323.39 and 2,882.96

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Solution

The fourth proportional to 3,142.16, 4,323.39 and 2,882.96 is: 3,966.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,142.16 : 4,323.39 = 2,882.96 : x
  2. Step 2: Convert to fraction form
    3,142.16/4,323.39 = 2,882.96/x
  3. Step 3: Cross multiply
    3,142.16x = 4,323.39 × 2,882.96
  4. Step 4: Simplify right side
    3,142.16x = 12,464,160.43
  5. Step 5: Solve for x
    x = 12,464,160.43/3,142.16
  6. Step 6: Final answer
    x = 3,966.75

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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.