Home / 2,245.15-3,366.39-927.88

Finding the Fourth Proportional to 2,245.15, 3,366.39 and 927.88

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Solution

The fourth proportional to 2,245.15, 3,366.39 and 927.88 is: 1,391.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,245.15 : 3,366.39 = 927.88 : x
  2. Step 2: Convert to fraction form
    2,245.15/3,366.39 = 927.88/x
  3. Step 3: Cross multiply
    2,245.15x = 3,366.39 × 927.88
  4. Step 4: Simplify right side
    2,245.15x = 3,123,605.95
  5. Step 5: Solve for x
    x = 3,123,605.95/2,245.15
  6. Step 6: Final answer
    x = 1,391.27

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1.5x scale

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.