Home / 3,243.86-4,865.26-1,163.56

Finding the Fourth Proportional to 3,243.86, 4,865.26 and 1,163.56

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Solution

The fourth proportional to 3,243.86, 4,865.26 and 1,163.56 is: 1,745.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,243.86 : 4,865.26 = 1,163.56 : x
  2. Step 2: Convert to fraction form
    3,243.86/4,865.26 = 1,163.56/x
  3. Step 3: Cross multiply
    3,243.86x = 4,865.26 × 1,163.56
  4. Step 4: Simplify right side
    3,243.86x = 5,661,021.93
  5. Step 5: Solve for x
    x = 5,661,021.93/3,243.86
  6. Step 6: Final answer
    x = 1,745.15

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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.