Home / 3,976.42-5,965.18-2,311.32

Finding the Fourth Proportional to 3,976.42, 5,965.18 and 2,311.32

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Solution

The fourth proportional to 3,976.42, 5,965.18 and 2,311.32 is: 3,467.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,976.42 : 5,965.18 = 2,311.32 : x
  2. Step 2: Convert to fraction form
    3,976.42/5,965.18 = 2,311.32/x
  3. Step 3: Cross multiply
    3,976.42x = 5,965.18 × 2,311.32
  4. Step 4: Simplify right side
    3,976.42x = 13,787,439.84
  5. Step 5: Solve for x
    x = 13,787,439.84/3,976.42
  6. Step 6: Final answer
    x = 3,467.30

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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.