Home / 2,194.78-3,025.38-1,634.36

Finding the Fourth Proportional to 2,194.78, 3,025.38 and 1,634.36

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Solution

The fourth proportional to 2,194.78, 3,025.38 and 1,634.36 is: 2,252.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,194.78 : 3,025.38 = 1,634.36 : x
  2. Step 2: Convert to fraction form
    2,194.78/3,025.38 = 1,634.36/x
  3. Step 3: Cross multiply
    2,194.78x = 3,025.38 × 1,634.36
  4. Step 4: Simplify right side
    2,194.78x = 4,944,560.06
  5. Step 5: Solve for x
    x = 4,944,560.06/2,194.78
  6. Step 6: Final answer
    x = 2,252.87

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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.