Home / 3,761.02-5,191.04-2,190.02

Finding the Fourth Proportional to 3,761.02, 5,191.04 and 2,190.02

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Solution

The fourth proportional to 3,761.02, 5,191.04 and 2,190.02 is: 3,022.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,761.02 : 5,191.04 = 2,190.02 : x
  2. Step 2: Convert to fraction form
    3,761.02/5,191.04 = 2,190.02/x
  3. Step 3: Cross multiply
    3,761.02x = 5,191.04 × 2,190.02
  4. Step 4: Simplify right side
    3,761.02x = 11,368,481.42
  5. Step 5: Solve for x
    x = 11,368,481.42/3,761.02
  6. Step 6: Final answer
    x = 3,022.71

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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.