Home / 3,787.73-5,681.57-1,479.23

Finding the Fourth Proportional to 3,787.73, 5,681.57 and 1,479.23

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Solution

The fourth proportional to 3,787.73, 5,681.57 and 1,479.23 is: 2,218.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,787.73 : 5,681.57 = 1,479.23 : x
  2. Step 2: Convert to fraction form
    3,787.73/5,681.57 = 1,479.23/x
  3. Step 3: Cross multiply
    3,787.73x = 5,681.57 × 1,479.23
  4. Step 4: Simplify right side
    3,787.73x = 8,404,320.38
  5. Step 5: Solve for x
    x = 8,404,320.38/3,787.73
  6. Step 6: Final answer
    x = 2,218.83

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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.