Home / 3,884.35-5,822.01-2,219.64

Finding the Fourth Proportional to 3,884.35, 5,822.01 and 2,219.64

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Solution

The fourth proportional to 3,884.35, 5,822.01 and 2,219.64 is: 3,326.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,884.35 : 5,822.01 = 2,219.64 : x
  2. Step 2: Convert to fraction form
    3,884.35/5,822.01 = 2,219.64/x
  3. Step 3: Cross multiply
    3,884.35x = 5,822.01 × 2,219.64
  4. Step 4: Simplify right side
    3,884.35x = 12,922,770.69
  5. Step 5: Solve for x
    x = 12,922,770.69/3,884.35
  6. Step 6: Final answer
    x = 3,326.88

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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.