Home / 3,787.94-5,676.66-2,862.74

Finding the Fourth Proportional to 3,787.94, 5,676.66 and 2,862.74

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Solution

The fourth proportional to 3,787.94, 5,676.66 and 2,862.74 is: 4,290.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,787.94 : 5,676.66 = 2,862.74 : x
  2. Step 2: Convert to fraction form
    3,787.94/5,676.66 = 2,862.74/x
  3. Step 3: Cross multiply
    3,787.94x = 5,676.66 × 2,862.74
  4. Step 4: Simplify right side
    3,787.94x = 16,250,801.65
  5. Step 5: Solve for x
    x = 16,250,801.65/3,787.94
  6. Step 6: Final answer
    x = 4,290.14

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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.