Home / 3,433.78-5,149.66-1,789.48

Finding the Fourth Proportional to 3,433.78, 5,149.66 and 1,789.48

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Solution

The fourth proportional to 3,433.78, 5,149.66 and 1,789.48 is: 2,683.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,433.78 : 5,149.66 = 1,789.48 : x
  2. Step 2: Convert to fraction form
    3,433.78/5,149.66 = 1,789.48/x
  3. Step 3: Cross multiply
    3,433.78x = 5,149.66 × 1,789.48
  4. Step 4: Simplify right side
    3,433.78x = 9,215,213.58
  5. Step 5: Solve for x
    x = 9,215,213.58/3,433.78
  6. Step 6: Final answer
    x = 2,683.69

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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.