Home / 3,179.64-4,387.14-2,434.44

Finding the Fourth Proportional to 3,179.64, 4,387.14 and 2,434.44

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Solution

The fourth proportional to 3,179.64, 4,387.14 and 2,434.44 is: 3,358.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,179.64 : 4,387.14 = 2,434.44 : x
  2. Step 2: Convert to fraction form
    3,179.64/4,387.14 = 2,434.44/x
  3. Step 3: Cross multiply
    3,179.64x = 4,387.14 × 2,434.44
  4. Step 4: Simplify right side
    3,179.64x = 10,680,229.10
  5. Step 5: Solve for x
    x = 10,680,229.10/3,179.64
  6. Step 6: Final answer
    x = 3,358.94

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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.