Home / 3,826.27-5,280.26-2,147.68

Finding the Fourth Proportional to 3,826.27, 5,280.26 and 2,147.68

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Solution

The fourth proportional to 3,826.27, 5,280.26 and 2,147.68 is: 2,963.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,826.27 : 5,280.26 = 2,147.68 : x
  2. Step 2: Convert to fraction form
    3,826.27/5,280.26 = 2,147.68/x
  3. Step 3: Cross multiply
    3,826.27x = 5,280.26 × 2,147.68
  4. Step 4: Simplify right side
    3,826.27x = 11,340,322.78
  5. Step 5: Solve for x
    x = 11,340,322.78/3,826.27
  6. Step 6: Final answer
    x = 2,963.81

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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.