Home / 2,163.01-3,221.55-2,028.14

Finding the Fourth Proportional to 2,163.01, 3,221.55 and 2,028.14

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Solution

The fourth proportional to 2,163.01, 3,221.55 and 2,028.14 is: 3,020.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,163.01 : 3,221.55 = 2,028.14 : x
  2. Step 2: Convert to fraction form
    2,163.01/3,221.55 = 2,028.14/x
  3. Step 3: Cross multiply
    2,163.01x = 3,221.55 × 2,028.14
  4. Step 4: Simplify right side
    2,163.01x = 6,533,744.28
  5. Step 5: Solve for x
    x = 6,533,744.28/2,163.01
  6. Step 6: Final answer
    x = 3,020.68

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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.