Home / 3,664.58-5,488.97-3,408.21

Finding the Fourth Proportional to 3,664.58, 5,488.97 and 3,408.21

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Solution

The fourth proportional to 3,664.58, 5,488.97 and 3,408.21 is: 5,104.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,664.58 : 5,488.97 = 3,408.21 : x
  2. Step 2: Convert to fraction form
    3,664.58/5,488.97 = 3,408.21/x
  3. Step 3: Cross multiply
    3,664.58x = 5,488.97 × 3,408.21
  4. Step 4: Simplify right side
    3,664.58x = 18,707,545.40
  5. Step 5: Solve for x
    x = 18,707,545.40/3,664.58
  6. Step 6: Final answer
    x = 5,104.97

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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.