Home / 3,837.26-5,757.60-2,105.84

Finding the Fourth Proportional to 3,837.26, 5,757.60 and 2,105.84

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Solution

The fourth proportional to 3,837.26, 5,757.60 and 2,105.84 is: 3,159.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,837.26 : 5,757.60 = 2,105.84 : x
  2. Step 2: Convert to fraction form
    3,837.26/5,757.60 = 2,105.84/x
  3. Step 3: Cross multiply
    3,837.26x = 5,757.60 × 2,105.84
  4. Step 4: Simplify right side
    3,837.26x = 12,124,584.38
  5. Step 5: Solve for x
    x = 12,124,584.38/3,837.26
  6. Step 6: Final answer
    x = 3,159.70

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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.