Home / 3,163.14-4,358.07-2,868.30

Finding the Fourth Proportional to 3,163.14, 4,358.07 and 2,868.30

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Solution

The fourth proportional to 3,163.14, 4,358.07 and 2,868.30 is: 3,951.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,163.14 : 4,358.07 = 2,868.30 : x
  2. Step 2: Convert to fraction form
    3,163.14/4,358.07 = 2,868.30/x
  3. Step 3: Cross multiply
    3,163.14x = 4,358.07 × 2,868.30
  4. Step 4: Simplify right side
    3,163.14x = 12,500,252.18
  5. Step 5: Solve for x
    x = 12,500,252.18/3,163.14
  6. Step 6: Final answer
    x = 3,951.85

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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.