Home / 3,228.43-4,834.44-2,129.47

Finding the Fourth Proportional to 3,228.43, 4,834.44 and 2,129.47

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Solution

The fourth proportional to 3,228.43, 4,834.44 and 2,129.47 is: 3,188.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,228.43 : 4,834.44 = 2,129.47 : x
  2. Step 2: Convert to fraction form
    3,228.43/4,834.44 = 2,129.47/x
  3. Step 3: Cross multiply
    3,228.43x = 4,834.44 × 2,129.47
  4. Step 4: Simplify right side
    3,228.43x = 10,294,770.77
  5. Step 5: Solve for x
    x = 10,294,770.77/3,228.43
  6. Step 6: Final answer
    x = 3,188.79

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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.