Home / 3,408.22-5,111.82-2,184.19

Finding the Fourth Proportional to 3,408.22, 5,111.82 and 2,184.19

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Solution

The fourth proportional to 3,408.22, 5,111.82 and 2,184.19 is: 3,275.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,408.22 : 5,111.82 = 2,184.19 : x
  2. Step 2: Convert to fraction form
    3,408.22/5,111.82 = 2,184.19/x
  3. Step 3: Cross multiply
    3,408.22x = 5,111.82 × 2,184.19
  4. Step 4: Simplify right side
    3,408.22x = 11,165,173.35
  5. Step 5: Solve for x
    x = 11,165,173.35/3,408.22
  6. Step 6: Final answer
    x = 3,275.96

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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.