Home / 3,408.15-5,112.33-942.96

Finding the Fourth Proportional to 3,408.15, 5,112.33 and 942.96

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Solution

The fourth proportional to 3,408.15, 5,112.33 and 942.96 is: 1,414.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,408.15 : 5,112.33 = 942.96 : x
  2. Step 2: Convert to fraction form
    3,408.15/5,112.33 = 942.96/x
  3. Step 3: Cross multiply
    3,408.15x = 5,112.33 × 942.96
  4. Step 4: Simplify right side
    3,408.15x = 4,820,743.64
  5. Step 5: Solve for x
    x = 4,820,743.64/3,408.15
  6. Step 6: Final answer
    x = 1,414.47

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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.