Home / 3,311.75-4,964.27-2,080.03

Finding the Fourth Proportional to 3,311.75, 4,964.27 and 2,080.03

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Solution

The fourth proportional to 3,311.75, 4,964.27 and 2,080.03 is: 3,117.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,311.75 : 4,964.27 = 2,080.03 : x
  2. Step 2: Convert to fraction form
    3,311.75/4,964.27 = 2,080.03/x
  3. Step 3: Cross multiply
    3,311.75x = 4,964.27 × 2,080.03
  4. Step 4: Simplify right side
    3,311.75x = 10,325,830.53
  5. Step 5: Solve for x
    x = 10,325,830.53/3,311.75
  6. Step 6: Final answer
    x = 3,117.94

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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.