Home / 3,816.27-5,265.83-2,137.75

Finding the Fourth Proportional to 3,816.27, 5,265.83 and 2,137.75

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Solution

The fourth proportional to 3,816.27, 5,265.83 and 2,137.75 is: 2,949.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,816.27 : 5,265.83 = 2,137.75 : x
  2. Step 2: Convert to fraction form
    3,816.27/5,265.83 = 2,137.75/x
  3. Step 3: Cross multiply
    3,816.27x = 5,265.83 × 2,137.75
  4. Step 4: Simplify right side
    3,816.27x = 11,257,028.08
  5. Step 5: Solve for x
    x = 11,257,028.08/3,816.27
  6. Step 6: Final answer
    x = 2,949.75

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.