Home / 2,028.28-2,817.79-2,010.28

Finding the Fourth Proportional to 2,028.28, 2,817.79 and 2,010.28

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Solution

The fourth proportional to 2,028.28, 2,817.79 and 2,010.28 is: 2,792.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,028.28 : 2,817.79 = 2,010.28 : x
  2. Step 2: Convert to fraction form
    2,028.28/2,817.79 = 2,010.28/x
  3. Step 3: Cross multiply
    2,028.28x = 2,817.79 × 2,010.28
  4. Step 4: Simplify right side
    2,028.28x = 5,664,546.88
  5. Step 5: Solve for x
    x = 5,664,546.88/2,028.28
  6. Step 6: Final answer
    x = 2,792.78

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.