Home / 2,057.30-3,086.00-1,236.26

Finding the Fourth Proportional to 2,057.30, 3,086.00 and 1,236.26

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Solution

The fourth proportional to 2,057.30, 3,086.00 and 1,236.26 is: 1,854.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,057.30 : 3,086.00 = 1,236.26 : x
  2. Step 2: Convert to fraction form
    2,057.30/3,086.00 = 1,236.26/x
  3. Step 3: Cross multiply
    2,057.30x = 3,086.00 × 1,236.26
  4. Step 4: Simplify right side
    2,057.30x = 3,815,104.53
  5. Step 5: Solve for x
    x = 3,815,104.53/2,057.30
  6. Step 6: Final answer
    x = 1,854.42

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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.