Home / 2,238.28-3,358.56-1,005.44

Finding the Fourth Proportional to 2,238.28, 3,358.56 and 1,005.44

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Solution

The fourth proportional to 2,238.28, 3,358.56 and 1,005.44 is: 1,508.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,238.28 : 3,358.56 = 1,005.44 : x
  2. Step 2: Convert to fraction form
    2,238.28/3,358.56 = 1,005.44/x
  3. Step 3: Cross multiply
    2,238.28x = 3,358.56 × 1,005.44
  4. Step 4: Simplify right side
    2,238.28x = 3,376,808.75
  5. Step 5: Solve for x
    x = 3,376,808.75/2,238.28
  6. Step 6: Final answer
    x = 1,508.66

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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.