Home / 3,394.89-5,092.40-1,086.39

Finding the Fourth Proportional to 3,394.89, 5,092.40 and 1,086.39

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Solution

The fourth proportional to 3,394.89, 5,092.40 and 1,086.39 is: 1,629.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,394.89 : 5,092.40 = 1,086.39 : x
  2. Step 2: Convert to fraction form
    3,394.89/5,092.40 = 1,086.39/x
  3. Step 3: Cross multiply
    3,394.89x = 5,092.40 × 1,086.39
  4. Step 4: Simplify right side
    3,394.89x = 5,532,332.44
  5. Step 5: Solve for x
    x = 5,532,332.44/3,394.89
  6. Step 6: Final answer
    x = 1,629.61

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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.