Home / 3,816.12-5,716.08-2,171.82

Finding the Fourth Proportional to 3,816.12, 5,716.08 and 2,171.82

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Solution

The fourth proportional to 3,816.12, 5,716.08 and 2,171.82 is: 3,253.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,816.12 : 5,716.08 = 2,171.82 : x
  2. Step 2: Convert to fraction form
    3,816.12/5,716.08 = 2,171.82/x
  3. Step 3: Cross multiply
    3,816.12x = 5,716.08 × 2,171.82
  4. Step 4: Simplify right side
    3,816.12x = 12,414,296.87
  5. Step 5: Solve for x
    x = 12,414,296.87/3,816.12
  6. Step 6: Final answer
    x = 3,253.12

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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.