Home / 3,787.20-5,224.80-2,736.96

Finding the Fourth Proportional to 3,787.20, 5,224.80 and 2,736.96

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Solution

The fourth proportional to 3,787.20, 5,224.80 and 2,736.96 is: 3,775.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,787.20 : 5,224.80 = 2,736.96 : x
  2. Step 2: Convert to fraction form
    3,787.20/5,224.80 = 2,736.96/x
  3. Step 3: Cross multiply
    3,787.20x = 5,224.80 × 2,736.96
  4. Step 4: Simplify right side
    3,787.20x = 14,300,068.61
  5. Step 5: Solve for x
    x = 14,300,068.61/3,787.20
  6. Step 6: Final answer
    x = 3,775.89

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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.