Home / 2,787.62-3,845.94-1,793.48

Finding the Fourth Proportional to 2,787.62, 3,845.94 and 1,793.48

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Solution

The fourth proportional to 2,787.62, 3,845.94 and 1,793.48 is: 2,474.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,787.62 : 3,845.94 = 1,793.48 : x
  2. Step 2: Convert to fraction form
    2,787.62/3,845.94 = 1,793.48/x
  3. Step 3: Cross multiply
    2,787.62x = 3,845.94 × 1,793.48
  4. Step 4: Simplify right side
    2,787.62x = 6,897,616.47
  5. Step 5: Solve for x
    x = 6,897,616.47/2,787.62
  6. Step 6: Final answer
    x = 2,474.37

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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.