Home / 2,022.90-3,028.00-1,394.51

Finding the Fourth Proportional to 2,022.90, 3,028.00 and 1,394.51

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Solution

The fourth proportional to 2,022.90, 3,028.00 and 1,394.51 is: 2,087.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,022.90 : 3,028.00 = 1,394.51 : x
  2. Step 2: Convert to fraction form
    2,022.90/3,028.00 = 1,394.51/x
  3. Step 3: Cross multiply
    2,022.90x = 3,028.00 × 1,394.51
  4. Step 4: Simplify right side
    2,022.90x = 4,222,560.27
  5. Step 5: Solve for x
    x = 4,222,560.27/2,022.90
  6. Step 6: Final answer
    x = 2,087.38

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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.