Home / 2,163.46-3,244.91-914.55

Finding the Fourth Proportional to 2,163.46, 3,244.91 and 914.55

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Solution

The fourth proportional to 2,163.46, 3,244.91 and 914.55 is: 1,371.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,163.46 : 3,244.91 = 914.55 : x
  2. Step 2: Convert to fraction form
    2,163.46/3,244.91 = 914.55/x
  3. Step 3: Cross multiply
    2,163.46x = 3,244.91 × 914.55
  4. Step 4: Simplify right side
    2,163.46x = 2,967,616.22
  5. Step 5: Solve for x
    x = 2,967,616.22/2,163.46
  6. Step 6: Final answer
    x = 1,371.70

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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.