Home / 2,408.72-3,614.16-2,218.64

Finding the Fourth Proportional to 2,408.72, 3,614.16 and 2,218.64

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Solution

The fourth proportional to 2,408.72, 3,614.16 and 2,218.64 is: 3,328.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,408.72 : 3,614.16 = 2,218.64 : x
  2. Step 2: Convert to fraction form
    2,408.72/3,614.16 = 2,218.64/x
  3. Step 3: Cross multiply
    2,408.72x = 3,614.16 × 2,218.64
  4. Step 4: Simplify right side
    2,408.72x = 8,018,519.94
  5. Step 5: Solve for x
    x = 8,018,519.94/2,408.72
  6. Step 6: Final answer
    x = 3,328.95

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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.