Home / 2,628.11-3,922.82-2,408.94

Finding the Fourth Proportional to 2,628.11, 3,922.82 and 2,408.94

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Solution

The fourth proportional to 2,628.11, 3,922.82 and 2,408.94 is: 3,595.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,628.11 : 3,922.82 = 2,408.94 : x
  2. Step 2: Convert to fraction form
    2,628.11/3,922.82 = 2,408.94/x
  3. Step 3: Cross multiply
    2,628.11x = 3,922.82 × 2,408.94
  4. Step 4: Simplify right side
    2,628.11x = 9,449,825.97
  5. Step 5: Solve for x
    x = 9,449,825.97/2,628.11
  6. Step 6: Final answer
    x = 3,595.68

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.