Home / 2,262.03-3,394.19-1,107.78

Finding the Fourth Proportional to 2,262.03, 3,394.19 and 1,107.78

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Solution

The fourth proportional to 2,262.03, 3,394.19 and 1,107.78 is: 1,662.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,262.03 : 3,394.19 = 1,107.78 : x
  2. Step 2: Convert to fraction form
    2,262.03/3,394.19 = 1,107.78/x
  3. Step 3: Cross multiply
    2,262.03x = 3,394.19 × 1,107.78
  4. Step 4: Simplify right side
    2,262.03x = 3,760,015.80
  5. Step 5: Solve for x
    x = 3,760,015.80/2,262.03
  6. Step 6: Final answer
    x = 1,662.23

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1.5x scale

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.