Home / 3,928.54-5,882.77-3,811.66

Finding the Fourth Proportional to 3,928.54, 5,882.77 and 3,811.66

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Solution

The fourth proportional to 3,928.54, 5,882.77 and 3,811.66 is: 5,707.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,928.54 : 5,882.77 = 3,811.66 : x
  2. Step 2: Convert to fraction form
    3,928.54/5,882.77 = 3,811.66/x
  3. Step 3: Cross multiply
    3,928.54x = 5,882.77 × 3,811.66
  4. Step 4: Simplify right side
    3,928.54x = 22,423,131.22
  5. Step 5: Solve for x
    x = 22,423,131.22/3,928.54
  6. Step 6: Final answer
    x = 5,707.76

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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.