Home / 2,257.28-3,377.71-1,863.62

Finding the Fourth Proportional to 2,257.28, 3,377.71 and 1,863.62

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Solution

The fourth proportional to 2,257.28, 3,377.71 and 1,863.62 is: 2,788.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,257.28 : 3,377.71 = 1,863.62 : x
  2. Step 2: Convert to fraction form
    2,257.28/3,377.71 = 1,863.62/x
  3. Step 3: Cross multiply
    2,257.28x = 3,377.71 × 1,863.62
  4. Step 4: Simplify right side
    2,257.28x = 6,294,767.91
  5. Step 5: Solve for x
    x = 6,294,767.91/2,257.28
  6. Step 6: Final answer
    x = 2,788.65

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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.