Home / 3,408.62-5,112.92-1,100.12

Finding the Fourth Proportional to 3,408.62, 5,112.92 and 1,100.12

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Solution

The fourth proportional to 3,408.62, 5,112.92 and 1,100.12 is: 1,650.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,408.62 : 5,112.92 = 1,100.12 : x
  2. Step 2: Convert to fraction form
    3,408.62/5,112.92 = 1,100.12/x
  3. Step 3: Cross multiply
    3,408.62x = 5,112.92 × 1,100.12
  4. Step 4: Simplify right side
    3,408.62x = 5,624,802.74
  5. Step 5: Solve for x
    x = 5,624,802.74/3,408.62
  6. Step 6: Final answer
    x = 1,650.17

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Double scale
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Similar ratio
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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.