Home / 3,422.26-5,135.37-1,343.68

Finding the Fourth Proportional to 3,422.26, 5,135.37 and 1,343.68

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Solution

The fourth proportional to 3,422.26, 5,135.37 and 1,343.68 is: 2,016.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,422.26 : 5,135.37 = 1,343.68 : x
  2. Step 2: Convert to fraction form
    3,422.26/5,135.37 = 1,343.68/x
  3. Step 3: Cross multiply
    3,422.26x = 5,135.37 × 1,343.68
  4. Step 4: Simplify right side
    3,422.26x = 6,900,293.96
  5. Step 5: Solve for x
    x = 6,900,293.96/3,422.26
  6. Step 6: Final answer
    x = 2,016.30

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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.