Home / 3,627.10-5,439.21-1,960.43

Finding the Fourth Proportional to 3,627.10, 5,439.21 and 1,960.43

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Solution

The fourth proportional to 3,627.10, 5,439.21 and 1,960.43 is: 2,939.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,627.10 : 5,439.21 = 1,960.43 : x
  2. Step 2: Convert to fraction form
    3,627.10/5,439.21 = 1,960.43/x
  3. Step 3: Cross multiply
    3,627.10x = 5,439.21 × 1,960.43
  4. Step 4: Simplify right side
    3,627.10x = 10,663,190.46
  5. Step 5: Solve for x
    x = 10,663,190.46/3,627.10
  6. Step 6: Final answer
    x = 2,939.87

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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.