Home / 2,276.28-3,142.96-2,239.94

Finding the Fourth Proportional to 2,276.28, 3,142.96 and 2,239.94

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Solution

The fourth proportional to 2,276.28, 3,142.96 and 2,239.94 is: 3,092.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,276.28 : 3,142.96 = 2,239.94 : x
  2. Step 2: Convert to fraction form
    2,276.28/3,142.96 = 2,239.94/x
  3. Step 3: Cross multiply
    2,276.28x = 3,142.96 × 2,239.94
  4. Step 4: Simplify right side
    2,276.28x = 7,040,044.08
  5. Step 5: Solve for x
    x = 7,040,044.08/2,276.28
  6. Step 6: Final answer
    x = 3,092.78

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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.