Home / 2,046.11-3,072.30-1,961.87

Finding the Fourth Proportional to 2,046.11, 3,072.30 and 1,961.87

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Solution

The fourth proportional to 2,046.11, 3,072.30 and 1,961.87 is: 2,945.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,046.11 : 3,072.30 = 1,961.87 : x
  2. Step 2: Convert to fraction form
    2,046.11/3,072.30 = 1,961.87/x
  3. Step 3: Cross multiply
    2,046.11x = 3,072.30 × 1,961.87
  4. Step 4: Simplify right side
    2,046.11x = 6,027,453.52
  5. Step 5: Solve for x
    x = 6,027,453.52/2,046.11
  6. Step 6: Final answer
    x = 2,945.81

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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.