Home / 2,481.28-3,722.55-1,752.28

Finding the Fourth Proportional to 2,481.28, 3,722.55 and 1,752.28

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Solution

The fourth proportional to 2,481.28, 3,722.55 and 1,752.28 is: 2,628.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,481.28 : 3,722.55 = 1,752.28 : x
  2. Step 2: Convert to fraction form
    2,481.28/3,722.55 = 1,752.28/x
  3. Step 3: Cross multiply
    2,481.28x = 3,722.55 × 1,752.28
  4. Step 4: Simplify right side
    2,481.28x = 6,522,949.91
  5. Step 5: Solve for x
    x = 6,522,949.91/2,481.28
  6. Step 6: Final answer
    x = 2,628.86

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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.