Home / 1,849.36-2,773.11-1,028.20

Finding the Fourth Proportional to 1,849.36, 2,773.11 and 1,028.20

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Solution

The fourth proportional to 1,849.36, 2,773.11 and 1,028.20 is: 1,541.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,849.36 : 2,773.11 = 1,028.20 : x
  2. Step 2: Convert to fraction form
    1,849.36/2,773.11 = 1,028.20/x
  3. Step 3: Cross multiply
    1,849.36x = 2,773.11 × 1,028.20
  4. Step 4: Simplify right side
    1,849.36x = 2,851,311.70
  5. Step 5: Solve for x
    x = 2,851,311.70/1,849.36
  6. Step 6: Final answer
    x = 1,541.78

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.