Home / 3,179.62-4,387.14-2,002.24

Finding the Fourth Proportional to 3,179.62, 4,387.14 and 2,002.24

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Solution

The fourth proportional to 3,179.62, 4,387.14 and 2,002.24 is: 2,762.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,179.62 : 4,387.14 = 2,002.24 : x
  2. Step 2: Convert to fraction form
    3,179.62/4,387.14 = 2,002.24/x
  3. Step 3: Cross multiply
    3,179.62x = 4,387.14 × 2,002.24
  4. Step 4: Simplify right side
    3,179.62x = 8,784,107.19
  5. Step 5: Solve for x
    x = 8,784,107.19/3,179.62
  6. Step 6: Final answer
    x = 2,762.63

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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.