Home / 2,626.62-3,944.78-1,761.54

Finding the Fourth Proportional to 2,626.62, 3,944.78 and 1,761.54

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Solution

The fourth proportional to 2,626.62, 3,944.78 and 1,761.54 is: 2,645.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,626.62 : 3,944.78 = 1,761.54 : x
  2. Step 2: Convert to fraction form
    2,626.62/3,944.78 = 1,761.54/x
  3. Step 3: Cross multiply
    2,626.62x = 3,944.78 × 1,761.54
  4. Step 4: Simplify right side
    2,626.62x = 6,948,887.76
  5. Step 5: Solve for x
    x = 6,948,887.76/2,626.62
  6. Step 6: Final answer
    x = 2,645.56

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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.