Home / 3,401.73-5,102.60-936.81

Finding the Fourth Proportional to 3,401.73, 5,102.60 and 936.81

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Solution

The fourth proportional to 3,401.73, 5,102.60 and 936.81 is: 1,405.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,401.73 : 5,102.60 = 936.81 : x
  2. Step 2: Convert to fraction form
    3,401.73/5,102.60 = 936.81/x
  3. Step 3: Cross multiply
    3,401.73x = 5,102.60 × 936.81
  4. Step 4: Simplify right side
    3,401.73x = 4,780,166.71
  5. Step 5: Solve for x
    x = 4,780,166.71/3,401.73
  6. Step 6: Final answer
    x = 1,405.22

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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.