Home / 2,163.03-3,238.30-1,270.86

Finding the Fourth Proportional to 2,163.03, 3,238.30 and 1,270.86

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Solution

The fourth proportional to 2,163.03, 3,238.30 and 1,270.86 is: 1,902.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,163.03 : 3,238.30 = 1,270.86 : x
  2. Step 2: Convert to fraction form
    2,163.03/3,238.30 = 1,270.86/x
  3. Step 3: Cross multiply
    2,163.03x = 3,238.30 × 1,270.86
  4. Step 4: Simplify right side
    2,163.03x = 4,115,425.94
  5. Step 5: Solve for x
    x = 4,115,425.94/2,163.03
  6. Step 6: Final answer
    x = 1,902.62

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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.