Home / 2,163.08-3,240.12-1,296.92

Finding the Fourth Proportional to 2,163.08, 3,240.12 and 1,296.92

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Solution

The fourth proportional to 2,163.08, 3,240.12 and 1,296.92 is: 1,942.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,163.08 : 3,240.12 = 1,296.92 : x
  2. Step 2: Convert to fraction form
    2,163.08/3,240.12 = 1,296.92/x
  3. Step 3: Cross multiply
    2,163.08x = 3,240.12 × 1,296.92
  4. Step 4: Simplify right side
    2,163.08x = 4,202,176.43
  5. Step 5: Solve for x
    x = 4,202,176.43/2,163.08
  6. Step 6: Final answer
    x = 1,942.68

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1.5x scale

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.