Home / 4,229-6,343.44-1,631.88

Finding the Fourth Proportional to 4,229, 6,343.44 and 1,631.88

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Solution

The fourth proportional to 4,229, 6,343.44 and 1,631.88 is: 2,447.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,229 : 6,343.44 = 1,631.88 : x
  2. Step 2: Convert to fraction form
    4,229/6,343.44 = 1,631.88/x
  3. Step 3: Cross multiply
    4,229x = 6,343.44 × 1,631.88
  4. Step 4: Simplify right side
    4,229x = 10,351,732.87
  5. Step 5: Solve for x
    x = 10,351,732.87/4,229
  6. Step 6: Final answer
    x = 2,447.80

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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.