Home / 2,311.85-3,467.44-850.67

Finding the Fourth Proportional to 2,311.85, 3,467.44 and 850.67

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Solution

The fourth proportional to 2,311.85, 3,467.44 and 850.67 is: 1,275.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,311.85 : 3,467.44 = 850.67 : x
  2. Step 2: Convert to fraction form
    2,311.85/3,467.44 = 850.67/x
  3. Step 3: Cross multiply
    2,311.85x = 3,467.44 × 850.67
  4. Step 4: Simplify right side
    2,311.85x = 2,949,627.72
  5. Step 5: Solve for x
    x = 2,949,627.72/2,311.85
  6. Step 6: Final answer
    x = 1,275.87

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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.