Home / 2,067.38-2,852.94-1,228.46

Finding the Fourth Proportional to 2,067.38, 2,852.94 and 1,228.46

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Solution

The fourth proportional to 2,067.38, 2,852.94 and 1,228.46 is: 1,695.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,067.38 : 2,852.94 = 1,228.46 : x
  2. Step 2: Convert to fraction form
    2,067.38/2,852.94 = 1,228.46/x
  3. Step 3: Cross multiply
    2,067.38x = 2,852.94 × 1,228.46
  4. Step 4: Simplify right side
    2,067.38x = 3,504,722.67
  5. Step 5: Solve for x
    x = 3,504,722.67/2,067.38
  6. Step 6: Final answer
    x = 1,695.25

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1.5x scale

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.