Home / 3,711.56-5,121.96-2,010.08

Finding the Fourth Proportional to 3,711.56, 5,121.96 and 2,010.08

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Solution

The fourth proportional to 3,711.56, 5,121.96 and 2,010.08 is: 2,773.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,711.56 : 5,121.96 = 2,010.08 : x
  2. Step 2: Convert to fraction form
    3,711.56/5,121.96 = 2,010.08/x
  3. Step 3: Cross multiply
    3,711.56x = 5,121.96 × 2,010.08
  4. Step 4: Simplify right side
    3,711.56x = 10,295,523.75
  5. Step 5: Solve for x
    x = 10,295,523.75/3,711.56
  6. Step 6: Final answer
    x = 2,773.91

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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.