Home / 3,438.44-4,744.33-2,021.75

Finding the Fourth Proportional to 3,438.44, 4,744.33 and 2,021.75

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Solution

The fourth proportional to 3,438.44, 4,744.33 and 2,021.75 is: 2,789.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,438.44 : 4,744.33 = 2,021.75 : x
  2. Step 2: Convert to fraction form
    3,438.44/4,744.33 = 2,021.75/x
  3. Step 3: Cross multiply
    3,438.44x = 4,744.33 × 2,021.75
  4. Step 4: Simplify right side
    3,438.44x = 9,591,849.18
  5. Step 5: Solve for x
    x = 9,591,849.18/3,438.44
  6. Step 6: Final answer
    x = 2,789.59

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.