Home / 3,760.62-5,189.48-2,081.90

Finding the Fourth Proportional to 3,760.62, 5,189.48 and 2,081.90

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Solution

The fourth proportional to 3,760.62, 5,189.48 and 2,081.90 is: 2,872.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,760.62 : 5,189.48 = 2,081.90 : x
  2. Step 2: Convert to fraction form
    3,760.62/5,189.48 = 2,081.90/x
  3. Step 3: Cross multiply
    3,760.62x = 5,189.48 × 2,081.90
  4. Step 4: Simplify right side
    3,760.62x = 10,803,986.18
  5. Step 5: Solve for x
    x = 10,803,986.18/3,760.62
  6. Step 6: Final answer
    x = 2,872.93

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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.