Home / 3,408.44-5,113.18-1,187.62

Finding the Fourth Proportional to 3,408.44, 5,113.18 and 1,187.62

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Solution

The fourth proportional to 3,408.44, 5,113.18 and 1,187.62 is: 1,781.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,408.44 : 5,113.18 = 1,187.62 : x
  2. Step 2: Convert to fraction form
    3,408.44/5,113.18 = 1,187.62/x
  3. Step 3: Cross multiply
    3,408.44x = 5,113.18 × 1,187.62
  4. Step 4: Simplify right side
    3,408.44x = 6,072,514.83
  5. Step 5: Solve for x
    x = 6,072,514.83/3,408.44
  6. Step 6: Final answer
    x = 1,781.61

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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.