Home / 3,843.42-5,756.69-3,177.75

Finding the Fourth Proportional to 3,843.42, 5,756.69 and 3,177.75

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Solution

The fourth proportional to 3,843.42, 5,756.69 and 3,177.75 is: 4,759.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,843.42 : 5,756.69 = 3,177.75 : x
  2. Step 2: Convert to fraction form
    3,843.42/5,756.69 = 3,177.75/x
  3. Step 3: Cross multiply
    3,843.42x = 5,756.69 × 3,177.75
  4. Step 4: Simplify right side
    3,843.42x = 18,293,321.65
  5. Step 5: Solve for x
    x = 18,293,321.65/3,843.42
  6. Step 6: Final answer
    x = 4,759.65

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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.