Home / 3,605.90-5,408.30-2,993.54

Finding the Fourth Proportional to 3,605.90, 5,408.30 and 2,993.54

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Solution

The fourth proportional to 3,605.90, 5,408.30 and 2,993.54 is: 4,489.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,605.90 : 5,408.30 = 2,993.54 : x
  2. Step 2: Convert to fraction form
    3,605.90/5,408.30 = 2,993.54/x
  3. Step 3: Cross multiply
    3,605.90x = 5,408.30 × 2,993.54
  4. Step 4: Simplify right side
    3,605.90x = 16,189,942.82
  5. Step 5: Solve for x
    x = 16,189,942.82/3,605.90
  6. Step 6: Final answer
    x = 4,489.85

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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.