Home / 3,787.80-5,229.75-2,372.07

Finding the Fourth Proportional to 3,787.80, 5,229.75 and 2,372.07

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Solution

The fourth proportional to 3,787.80, 5,229.75 and 2,372.07 is: 3,275.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,787.80 : 5,229.75 = 2,372.07 : x
  2. Step 2: Convert to fraction form
    3,787.80/5,229.75 = 2,372.07/x
  3. Step 3: Cross multiply
    3,787.80x = 5,229.75 × 2,372.07
  4. Step 4: Simplify right side
    3,787.80x = 12,405,333.08
  5. Step 5: Solve for x
    x = 12,405,333.08/3,787.80
  6. Step 6: Final answer
    x = 3,275.08

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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.