Home / 3,787.41-5,675.94-2,862.21

Finding the Fourth Proportional to 3,787.41, 5,675.94 and 2,862.21

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Solution

The fourth proportional to 3,787.41, 5,675.94 and 2,862.21 is: 4,289.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,787.41 : 5,675.94 = 2,862.21 : x
  2. Step 2: Convert to fraction form
    3,787.41/5,675.94 = 2,862.21/x
  3. Step 3: Cross multiply
    3,787.41x = 5,675.94 × 2,862.21
  4. Step 4: Simplify right side
    3,787.41x = 16,245,732.23
  5. Step 5: Solve for x
    x = 16,245,732.23/3,787.41
  6. Step 6: Final answer
    x = 4,289.40

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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.