Home / 3,636.29-5,456.84-1,327.79

Finding the Fourth Proportional to 3,636.29, 5,456.84 and 1,327.79

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Solution

The fourth proportional to 3,636.29, 5,456.84 and 1,327.79 is: 1,992.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,636.29 : 5,456.84 = 1,327.79 : x
  2. Step 2: Convert to fraction form
    3,636.29/5,456.84 = 1,327.79/x
  3. Step 3: Cross multiply
    3,636.29x = 5,456.84 × 1,327.79
  4. Step 4: Simplify right side
    3,636.29x = 7,245,503.66
  5. Step 5: Solve for x
    x = 7,245,503.66/3,636.29
  6. Step 6: Final answer
    x = 1,992.56

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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.