Home / 2,305.05-3,180.60-1,296.56

Finding the Fourth Proportional to 2,305.05, 3,180.60 and 1,296.56

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Solution

The fourth proportional to 2,305.05, 3,180.60 and 1,296.56 is: 1,789.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,305.05 : 3,180.60 = 1,296.56 : x
  2. Step 2: Convert to fraction form
    2,305.05/3,180.60 = 1,296.56/x
  3. Step 3: Cross multiply
    2,305.05x = 3,180.60 × 1,296.56
  4. Step 4: Simplify right side
    2,305.05x = 4,123,822.83
  5. Step 5: Solve for x
    x = 4,123,822.83/2,305.05
  6. Step 6: Final answer
    x = 1,789.04

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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.