Home / 2,227.46-3,339.39-929.90

Finding the Fourth Proportional to 2,227.46, 3,339.39 and 929.90

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Solution

The fourth proportional to 2,227.46, 3,339.39 and 929.90 is: 1,394.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,227.46 : 3,339.39 = 929.90 : x
  2. Step 2: Convert to fraction form
    2,227.46/3,339.39 = 929.90/x
  3. Step 3: Cross multiply
    2,227.46x = 3,339.39 × 929.90
  4. Step 4: Simplify right side
    2,227.46x = 3,105,298.76
  5. Step 5: Solve for x
    x = 3,105,298.76/2,227.46
  6. Step 6: Final answer
    x = 1,394.10

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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.