Home / 3,179.37-4,387.47-2,002.44

Finding the Fourth Proportional to 3,179.37, 4,387.47 and 2,002.44

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Solution

The fourth proportional to 3,179.37, 4,387.47 and 2,002.44 is: 2,763.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,179.37 : 4,387.47 = 2,002.44 : x
  2. Step 2: Convert to fraction form
    3,179.37/4,387.47 = 2,002.44/x
  3. Step 3: Cross multiply
    3,179.37x = 4,387.47 × 2,002.44
  4. Step 4: Simplify right side
    3,179.37x = 8,785,645.43
  5. Step 5: Solve for x
    x = 8,785,645.43/3,179.37
  6. Step 6: Final answer
    x = 2,763.33

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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.