Home / 2,023.07-3,028.19-1,328.09

Finding the Fourth Proportional to 2,023.07, 3,028.19 and 1,328.09

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Solution

The fourth proportional to 2,023.07, 3,028.19 and 1,328.09 is: 1,987.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,023.07 : 3,028.19 = 1,328.09 : x
  2. Step 2: Convert to fraction form
    2,023.07/3,028.19 = 1,328.09/x
  3. Step 3: Cross multiply
    2,023.07x = 3,028.19 × 1,328.09
  4. Step 4: Simplify right side
    2,023.07x = 4,021,687.08
  5. Step 5: Solve for x
    x = 4,021,687.08/2,023.07
  6. Step 6: Final answer
    x = 1,987.92

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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.