Home / 2,648.11-3,974.73-2,212.15

Finding the Fourth Proportional to 2,648.11, 3,974.73 and 2,212.15

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Solution

The fourth proportional to 2,648.11, 3,974.73 and 2,212.15 is: 3,320.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,648.11 : 3,974.73 = 2,212.15 : x
  2. Step 2: Convert to fraction form
    2,648.11/3,974.73 = 2,212.15/x
  3. Step 3: Cross multiply
    2,648.11x = 3,974.73 × 2,212.15
  4. Step 4: Simplify right side
    2,648.11x = 8,792,698.97
  5. Step 5: Solve for x
    x = 8,792,698.97/2,648.11
  6. Step 6: Final answer
    x = 3,320.37

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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.