Home / 3,208.94-4,811.33-2,109.97

Finding the Fourth Proportional to 3,208.94, 4,811.33 and 2,109.97

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Solution

The fourth proportional to 3,208.94, 4,811.33 and 2,109.97 is: 3,163.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,208.94 : 4,811.33 = 2,109.97 : x
  2. Step 2: Convert to fraction form
    3,208.94/4,811.33 = 2,109.97/x
  3. Step 3: Cross multiply
    3,208.94x = 4,811.33 × 2,109.97
  4. Step 4: Simplify right side
    3,208.94x = 10,151,743.34
  5. Step 5: Solve for x
    x = 10,151,743.34/3,208.94
  6. Step 6: Final answer
    x = 3,163.59

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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.