Home / 2,311.62-3,465.74-850.80

Finding the Fourth Proportional to 2,311.62, 3,465.74 and 850.80

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Solution

The fourth proportional to 2,311.62, 3,465.74 and 850.80 is: 1,275.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,311.62 : 3,465.74 = 850.80 : x
  2. Step 2: Convert to fraction form
    2,311.62/3,465.74 = 850.80/x
  3. Step 3: Cross multiply
    2,311.62x = 3,465.74 × 850.80
  4. Step 4: Simplify right side
    2,311.62x = 2,948,651.59
  5. Step 5: Solve for x
    x = 2,948,651.59/2,311.62
  6. Step 6: Final answer
    x = 1,275.58

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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.