Home / 2,163.25-3,244.76-1,226.26

Finding the Fourth Proportional to 2,163.25, 3,244.76 and 1,226.26

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Solution

The fourth proportional to 2,163.25, 3,244.76 and 1,226.26 is: 1,839.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,163.25 : 3,244.76 = 1,226.26 : x
  2. Step 2: Convert to fraction form
    2,163.25/3,244.76 = 1,226.26/x
  3. Step 3: Cross multiply
    2,163.25x = 3,244.76 × 1,226.26
  4. Step 4: Simplify right side
    2,163.25x = 3,978,919.40
  5. Step 5: Solve for x
    x = 3,978,919.40/2,163.25
  6. Step 6: Final answer
    x = 1,839.32

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1.5x scale

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.