Home / 3,836.39-5,753.93-1,239.33

Finding the Fourth Proportional to 3,836.39, 5,753.93 and 1,239.33

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Solution

The fourth proportional to 3,836.39, 5,753.93 and 1,239.33 is: 1,858.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,836.39 : 5,753.93 = 1,239.33 : x
  2. Step 2: Convert to fraction form
    3,836.39/5,753.93 = 1,239.33/x
  3. Step 3: Cross multiply
    3,836.39x = 5,753.93 × 1,239.33
  4. Step 4: Simplify right side
    3,836.39x = 7,131,021.17
  5. Step 5: Solve for x
    x = 7,131,021.17/3,836.39
  6. Step 6: Final answer
    x = 1,858.78

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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.