Home / 3,806.66-5,711.88-2,571.36

Finding the Fourth Proportional to 3,806.66, 5,711.88 and 2,571.36

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Solution

The fourth proportional to 3,806.66, 5,711.88 and 2,571.36 is: 3,858.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,806.66 : 5,711.88 = 2,571.36 : x
  2. Step 2: Convert to fraction form
    3,806.66/5,711.88 = 2,571.36/x
  3. Step 3: Cross multiply
    3,806.66x = 5,711.88 × 2,571.36
  4. Step 4: Simplify right side
    3,806.66x = 14,687,299.76
  5. Step 5: Solve for x
    x = 14,687,299.76/3,806.66
  6. Step 6: Final answer
    x = 3,858.32

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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.