Home / 2,227.28-3,073.92-1,295.78

Finding the Fourth Proportional to 2,227.28, 3,073.92 and 1,295.78

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Solution

The fourth proportional to 2,227.28, 3,073.92 and 1,295.78 is: 1,788.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,227.28 : 3,073.92 = 1,295.78 : x
  2. Step 2: Convert to fraction form
    2,227.28/3,073.92 = 1,295.78/x
  3. Step 3: Cross multiply
    2,227.28x = 3,073.92 × 1,295.78
  4. Step 4: Simplify right side
    2,227.28x = 3,983,124.06
  5. Step 5: Solve for x
    x = 3,983,124.06/2,227.28
  6. Step 6: Final answer
    x = 1,788.34

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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.