Home / 2,744.28-3,787.32-1,565.70

Finding the Fourth Proportional to 2,744.28, 3,787.32 and 1,565.70

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Solution

The fourth proportional to 2,744.28, 3,787.32 and 1,565.70 is: 2,160.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,744.28 : 3,787.32 = 1,565.70 : x
  2. Step 2: Convert to fraction form
    2,744.28/3,787.32 = 1,565.70/x
  3. Step 3: Cross multiply
    2,744.28x = 3,787.32 × 1,565.70
  4. Step 4: Simplify right side
    2,744.28x = 5,929,806.92
  5. Step 5: Solve for x
    x = 5,929,806.92/2,744.28
  6. Step 6: Final answer
    x = 2,160.79

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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.