Home / 3,889.68-5,836.50-2,247.72

Finding the Fourth Proportional to 3,889.68, 5,836.50 and 2,247.72

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Solution

The fourth proportional to 3,889.68, 5,836.50 and 2,247.72 is: 3,372.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,889.68 : 5,836.50 = 2,247.72 : x
  2. Step 2: Convert to fraction form
    3,889.68/5,836.50 = 2,247.72/x
  3. Step 3: Cross multiply
    3,889.68x = 5,836.50 × 2,247.72
  4. Step 4: Simplify right side
    3,889.68x = 13,118,817.78
  5. Step 5: Solve for x
    x = 13,118,817.78/3,889.68
  6. Step 6: Final answer
    x = 3,372.72

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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.