Home / 3,179.32-4,769.62-2,022.20

Finding the Fourth Proportional to 3,179.32, 4,769.62 and 2,022.20

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Solution

The fourth proportional to 3,179.32, 4,769.62 and 2,022.20 is: 3,033.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,179.32 : 4,769.62 = 2,022.20 : x
  2. Step 2: Convert to fraction form
    3,179.32/4,769.62 = 2,022.20/x
  3. Step 3: Cross multiply
    3,179.32x = 4,769.62 × 2,022.20
  4. Step 4: Simplify right side
    3,179.32x = 9,645,125.56
  5. Step 5: Solve for x
    x = 9,645,125.56/3,179.32
  6. Step 6: Final answer
    x = 3,033.71

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.