Home / 1,226.38-1,839.54-301.94

Finding the Fourth Proportional to 1,226.38, 1,839.54 and 301.94

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Solution

The fourth proportional to 1,226.38, 1,839.54 and 301.94 is: 452.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,226.38 : 1,839.54 = 301.94 : x
  2. Step 2: Convert to fraction form
    1,226.38/1,839.54 = 301.94/x
  3. Step 3: Cross multiply
    1,226.38x = 1,839.54 × 301.94
  4. Step 4: Simplify right side
    1,226.38x = 555,434.17
  5. Step 5: Solve for x
    x = 555,434.17/1,226.38
  6. Step 6: Final answer
    x = 452.91

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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.