Home / 2,028.68-2,799.52-1,144.40

Finding the Fourth Proportional to 2,028.68, 2,799.52 and 1,144.40

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Solution

The fourth proportional to 2,028.68, 2,799.52 and 1,144.40 is: 1,579.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,028.68 : 2,799.52 = 1,144.40 : x
  2. Step 2: Convert to fraction form
    2,028.68/2,799.52 = 1,144.40/x
  3. Step 3: Cross multiply
    2,028.68x = 2,799.52 × 1,144.40
  4. Step 4: Simplify right side
    2,028.68x = 3,203,770.69
  5. Step 5: Solve for x
    x = 3,203,770.69/2,028.68
  6. Step 6: Final answer
    x = 1,579.24

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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.