Home / 2,163.31-3,222.64-2,028.85

Finding the Fourth Proportional to 2,163.31, 3,222.64 and 2,028.85

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Solution

The fourth proportional to 2,163.31, 3,222.64 and 2,028.85 is: 3,022.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,163.31 : 3,222.64 = 2,028.85 : x
  2. Step 2: Convert to fraction form
    2,163.31/3,222.64 = 2,028.85/x
  3. Step 3: Cross multiply
    2,163.31x = 3,222.64 × 2,028.85
  4. Step 4: Simplify right side
    2,163.31x = 6,538,236.23
  5. Step 5: Solve for x
    x = 6,538,236.23/2,163.31
  6. Step 6: Final answer
    x = 3,022.33

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.