Home / 3,629.82-5,444.94-1,781.82

Finding the Fourth Proportional to 3,629.82, 5,444.94 and 1,781.82

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Solution

The fourth proportional to 3,629.82, 5,444.94 and 1,781.82 is: 2,672.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,629.82 : 5,444.94 = 1,781.82 : x
  2. Step 2: Convert to fraction form
    3,629.82/5,444.94 = 1,781.82/x
  3. Step 3: Cross multiply
    3,629.82x = 5,444.94 × 1,781.82
  4. Step 4: Simplify right side
    3,629.82x = 9,701,902.99
  5. Step 5: Solve for x
    x = 9,701,902.99/3,629.82
  6. Step 6: Final answer
    x = 2,672.83

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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.