Home / 2,744.20-3,787.32-1,565.68

Finding the Fourth Proportional to 2,744.20, 3,787.32 and 1,565.68

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Solution

The fourth proportional to 2,744.20, 3,787.32 and 1,565.68 is: 2,160.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,744.20 : 3,787.32 = 1,565.68 : x
  2. Step 2: Convert to fraction form
    2,744.20/3,787.32 = 1,565.68/x
  3. Step 3: Cross multiply
    2,744.20x = 3,787.32 × 1,565.68
  4. Step 4: Simplify right side
    2,744.20x = 5,929,731.18
  5. Step 5: Solve for x
    x = 5,929,731.18/2,744.20
  6. Step 6: Final answer
    x = 2,160.82

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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.