Home / 3,599.28-5,408.82-2,138.76

Finding the Fourth Proportional to 3,599.28, 5,408.82 and 2,138.76

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Solution

The fourth proportional to 3,599.28, 5,408.82 and 2,138.76 is: 3,214.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,599.28 : 5,408.82 = 2,138.76 : x
  2. Step 2: Convert to fraction form
    3,599.28/5,408.82 = 2,138.76/x
  3. Step 3: Cross multiply
    3,599.28x = 5,408.82 × 2,138.76
  4. Step 4: Simplify right side
    3,599.28x = 11,568,167.86
  5. Step 5: Solve for x
    x = 11,568,167.86/3,599.28
  6. Step 6: Final answer
    x = 3,214.02

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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.