Home / 3,819.93-5,725.17-2,171.48

Finding the Fourth Proportional to 3,819.93, 5,725.17 and 2,171.48

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Solution

The fourth proportional to 3,819.93, 5,725.17 and 2,171.48 is: 3,254.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,819.93 : 5,725.17 = 2,171.48 : x
  2. Step 2: Convert to fraction form
    3,819.93/5,725.17 = 2,171.48/x
  3. Step 3: Cross multiply
    3,819.93x = 5,725.17 × 2,171.48
  4. Step 4: Simplify right side
    3,819.93x = 12,432,063.53
  5. Step 5: Solve for x
    x = 12,432,063.53/3,819.93
  6. Step 6: Final answer
    x = 3,254.53

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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.