Home / 2,028.29-2,799-1,144.08

Finding the Fourth Proportional to 2,028.29, 2,799 and 1,144.08

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Solution

The fourth proportional to 2,028.29, 2,799 and 1,144.08 is: 1,578.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,028.29 : 2,799 = 1,144.08 : x
  2. Step 2: Convert to fraction form
    2,028.29/2,799 = 1,144.08/x
  3. Step 3: Cross multiply
    2,028.29x = 2,799 × 1,144.08
  4. Step 4: Simplify right side
    2,028.29x = 3,202,279.92
  5. Step 5: Solve for x
    x = 3,202,279.92/2,028.29
  6. Step 6: Final answer
    x = 1,578.81

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.