Home / 3,351.78-5,027.67-1,243.49

Finding the Fourth Proportional to 3,351.78, 5,027.67 and 1,243.49

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Solution

The fourth proportional to 3,351.78, 5,027.67 and 1,243.49 is: 1,865.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,351.78 : 5,027.67 = 1,243.49 : x
  2. Step 2: Convert to fraction form
    3,351.78/5,027.67 = 1,243.49/x
  3. Step 3: Cross multiply
    3,351.78x = 5,027.67 × 1,243.49
  4. Step 4: Simplify right side
    3,351.78x = 6,251,832.23
  5. Step 5: Solve for x
    x = 6,251,832.23/3,351.78
  6. Step 6: Final answer
    x = 1,865.23

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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.