Home / 3,206.92-4,421.43-2,629.89

Finding the Fourth Proportional to 3,206.92, 4,421.43 and 2,629.89

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Solution

The fourth proportional to 3,206.92, 4,421.43 and 2,629.89 is: 3,625.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,206.92 : 4,421.43 = 2,629.89 : x
  2. Step 2: Convert to fraction form
    3,206.92/4,421.43 = 2,629.89/x
  3. Step 3: Cross multiply
    3,206.92x = 4,421.43 × 2,629.89
  4. Step 4: Simplify right side
    3,206.92x = 11,627,874.54
  5. Step 5: Solve for x
    x = 11,627,874.54/3,206.92
  6. Step 6: Final answer
    x = 3,625.87

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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.