Home / 3,827.50-5,731.98-2,179.04

Finding the Fourth Proportional to 3,827.50, 5,731.98 and 2,179.04

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Solution

The fourth proportional to 3,827.50, 5,731.98 and 2,179.04 is: 3,263.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,827.50 : 5,731.98 = 2,179.04 : x
  2. Step 2: Convert to fraction form
    3,827.50/5,731.98 = 2,179.04/x
  3. Step 3: Cross multiply
    3,827.50x = 5,731.98 × 2,179.04
  4. Step 4: Simplify right side
    3,827.50x = 12,490,213.70
  5. Step 5: Solve for x
    x = 12,490,213.70/3,827.50
  6. Step 6: Final answer
    x = 3,263.28

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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.