Home / 2,372.28-3,273.79-1,377.20

Finding the Fourth Proportional to 2,372.28, 3,273.79 and 1,377.20

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Solution

The fourth proportional to 2,372.28, 3,273.79 and 1,377.20 is: 1,900.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,372.28 : 3,273.79 = 1,377.20 : x
  2. Step 2: Convert to fraction form
    2,372.28/3,273.79 = 1,377.20/x
  3. Step 3: Cross multiply
    2,372.28x = 3,273.79 × 1,377.20
  4. Step 4: Simplify right side
    2,372.28x = 4,508,648.94
  5. Step 5: Solve for x
    x = 4,508,648.94/2,372.28
  6. Step 6: Final answer
    x = 1,900.56

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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.