Home / 2,028.43-2,799.30-1,119.90

Finding the Fourth Proportional to 2,028.43, 2,799.30 and 1,119.90

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Solution

The fourth proportional to 2,028.43, 2,799.30 and 1,119.90 is: 1,545.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,028.43 : 2,799.30 = 1,119.90 : x
  2. Step 2: Convert to fraction form
    2,028.43/2,799.30 = 1,119.90/x
  3. Step 3: Cross multiply
    2,028.43x = 2,799.30 × 1,119.90
  4. Step 4: Simplify right side
    2,028.43x = 3,134,936.07
  5. Step 5: Solve for x
    x = 3,134,936.07/2,028.43
  6. Step 6: Final answer
    x = 1,545.50

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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.