Home / 2,378.28-3,282.44-1,749.72

Finding the Fourth Proportional to 2,378.28, 3,282.44 and 1,749.72

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Solution

The fourth proportional to 2,378.28, 3,282.44 and 1,749.72 is: 2,414.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,378.28 : 3,282.44 = 1,749.72 : x
  2. Step 2: Convert to fraction form
    2,378.28/3,282.44 = 1,749.72/x
  3. Step 3: Cross multiply
    2,378.28x = 3,282.44 × 1,749.72
  4. Step 4: Simplify right side
    2,378.28x = 5,743,350.92
  5. Step 5: Solve for x
    x = 5,743,350.92/2,378.28
  6. Step 6: Final answer
    x = 2,414.92

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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.