Home / 3,022.52-4,171.38-1,972.76

Finding the Fourth Proportional to 3,022.52, 4,171.38 and 1,972.76

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Solution

The fourth proportional to 3,022.52, 4,171.38 and 1,972.76 is: 2,722.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,022.52 : 4,171.38 = 1,972.76 : x
  2. Step 2: Convert to fraction form
    3,022.52/4,171.38 = 1,972.76/x
  3. Step 3: Cross multiply
    3,022.52x = 4,171.38 × 1,972.76
  4. Step 4: Simplify right side
    3,022.52x = 8,229,131.61
  5. Step 5: Solve for x
    x = 8,229,131.61/3,022.52
  6. Step 6: Final answer
    x = 2,722.61

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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.