Home / 3,163.09-4,747.89-2,239.69

Finding the Fourth Proportional to 3,163.09, 4,747.89 and 2,239.69

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Solution

The fourth proportional to 3,163.09, 4,747.89 and 2,239.69 is: 3,361.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,163.09 : 4,747.89 = 2,239.69 : x
  2. Step 2: Convert to fraction form
    3,163.09/4,747.89 = 2,239.69/x
  3. Step 3: Cross multiply
    3,163.09x = 4,747.89 × 2,239.69
  4. Step 4: Simplify right side
    3,163.09x = 10,633,801.75
  5. Step 5: Solve for x
    x = 10,633,801.75/3,163.09
  6. Step 6: Final answer
    x = 3,361.84

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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.