Home / 2,227.13-3,340.67-928.59

Finding the Fourth Proportional to 2,227.13, 3,340.67 and 928.59

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Solution

The fourth proportional to 2,227.13, 3,340.67 and 928.59 is: 1,392.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,227.13 : 3,340.67 = 928.59 : x
  2. Step 2: Convert to fraction form
    2,227.13/3,340.67 = 928.59/x
  3. Step 3: Cross multiply
    2,227.13x = 3,340.67 × 928.59
  4. Step 4: Simplify right side
    2,227.13x = 3,102,108.11
  5. Step 5: Solve for x
    x = 3,102,108.11/2,227.13
  6. Step 6: Final answer
    x = 1,392.88

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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.