Home / 3,208.88-4,811.26-2,109.92

Finding the Fourth Proportional to 3,208.88, 4,811.26 and 2,109.92

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Solution

The fourth proportional to 3,208.88, 4,811.26 and 2,109.92 is: 3,163.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,208.88 : 4,811.26 = 2,109.92 : x
  2. Step 2: Convert to fraction form
    3,208.88/4,811.26 = 2,109.92/x
  3. Step 3: Cross multiply
    3,208.88x = 4,811.26 × 2,109.92
  4. Step 4: Simplify right side
    3,208.88x = 10,151,373.70
  5. Step 5: Solve for x
    x = 10,151,373.70/3,208.88
  6. Step 6: Final answer
    x = 3,163.53

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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.