Home / 2,028.36-2,799.21-1,144.20

Finding the Fourth Proportional to 2,028.36, 2,799.21 and 1,144.20

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Solution

The fourth proportional to 2,028.36, 2,799.21 and 1,144.20 is: 1,579.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,028.36 : 2,799.21 = 1,144.20 : x
  2. Step 2: Convert to fraction form
    2,028.36/2,799.21 = 1,144.20/x
  3. Step 3: Cross multiply
    2,028.36x = 2,799.21 × 1,144.20
  4. Step 4: Simplify right side
    2,028.36x = 3,202,856.08
  5. Step 5: Solve for x
    x = 3,202,856.08/2,028.36
  6. Step 6: Final answer
    x = 1,579.04

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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.