Home / 3,884.09-5,360.99-2,311.88

Finding the Fourth Proportional to 3,884.09, 5,360.99 and 2,311.88

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Solution

The fourth proportional to 3,884.09, 5,360.99 and 2,311.88 is: 3,190.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,884.09 : 5,360.99 = 2,311.88 : x
  2. Step 2: Convert to fraction form
    3,884.09/5,360.99 = 2,311.88/x
  3. Step 3: Cross multiply
    3,884.09x = 5,360.99 × 2,311.88
  4. Step 4: Simplify right side
    3,884.09x = 12,393,927.20
  5. Step 5: Solve for x
    x = 12,393,927.20/3,884.09
  6. Step 6: Final answer
    x = 3,190.95

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.