Home / 3,787.14-5,678.82-2,399.42

Finding the Fourth Proportional to 3,787.14, 5,678.82 and 2,399.42

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Solution

The fourth proportional to 3,787.14, 5,678.82 and 2,399.42 is: 3,597.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,787.14 : 5,678.82 = 2,399.42 : x
  2. Step 2: Convert to fraction form
    3,787.14/5,678.82 = 2,399.42/x
  3. Step 3: Cross multiply
    3,787.14x = 5,678.82 × 2,399.42
  4. Step 4: Simplify right side
    3,787.14x = 13,625,881.73
  5. Step 5: Solve for x
    x = 13,625,881.73/3,787.14
  6. Step 6: Final answer
    x = 3,597.94

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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.