Home / 2,028.90-2,799.64-1,144.61

Finding the Fourth Proportional to 2,028.90, 2,799.64 and 1,144.61

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Solution

The fourth proportional to 2,028.90, 2,799.64 and 1,144.61 is: 1,579.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,028.90 : 2,799.64 = 1,144.61 : x
  2. Step 2: Convert to fraction form
    2,028.90/2,799.64 = 1,144.61/x
  3. Step 3: Cross multiply
    2,028.90x = 2,799.64 × 1,144.61
  4. Step 4: Simplify right side
    2,028.90x = 3,204,500.08
  5. Step 5: Solve for x
    x = 3,204,500.08/2,028.90
  6. Step 6: Final answer
    x = 1,579.43

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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.