Home / 3,408.42-5,102.64-2,589.96

Finding the Fourth Proportional to 3,408.42, 5,102.64 and 2,589.96

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Solution

The fourth proportional to 3,408.42, 5,102.64 and 2,589.96 is: 3,877.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,408.42 : 5,102.64 = 2,589.96 : x
  2. Step 2: Convert to fraction form
    3,408.42/5,102.64 = 2,589.96/x
  3. Step 3: Cross multiply
    3,408.42x = 5,102.64 × 2,589.96
  4. Step 4: Simplify right side
    3,408.42x = 13,215,633.49
  5. Step 5: Solve for x
    x = 13,215,633.49/3,408.42
  6. Step 6: Final answer
    x = 3,877.35

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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.