Home / 2,311.45-3,467.19-850.60

Finding the Fourth Proportional to 2,311.45, 3,467.19 and 850.60

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Solution

The fourth proportional to 2,311.45, 3,467.19 and 850.60 is: 1,275.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,311.45 : 3,467.19 = 850.60 : x
  2. Step 2: Convert to fraction form
    2,311.45/3,467.19 = 850.60/x
  3. Step 3: Cross multiply
    2,311.45x = 3,467.19 × 850.60
  4. Step 4: Simplify right side
    2,311.45x = 2,949,191.81
  5. Step 5: Solve for x
    x = 2,949,191.81/2,311.45
  6. Step 6: Final answer
    x = 1,275.91

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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.