Home / 3,422.36-5,136.43-1,343.83

Finding the Fourth Proportional to 3,422.36, 5,136.43 and 1,343.83

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Solution

The fourth proportional to 3,422.36, 5,136.43 and 1,343.83 is: 2,016.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,422.36 : 5,136.43 = 1,343.83 : x
  2. Step 2: Convert to fraction form
    3,422.36/5,136.43 = 1,343.83/x
  3. Step 3: Cross multiply
    3,422.36x = 5,136.43 × 1,343.83
  4. Step 4: Simplify right side
    3,422.36x = 6,902,456.33
  5. Step 5: Solve for x
    x = 6,902,456.33/3,422.36
  6. Step 6: Final answer
    x = 2,016.87

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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.