Home / 3,423.39-5,135.09-1,961.52

Finding the Fourth Proportional to 3,423.39, 5,135.09 and 1,961.52

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Solution

The fourth proportional to 3,423.39, 5,135.09 and 1,961.52 is: 2,942.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,423.39 : 5,135.09 = 1,961.52 : x
  2. Step 2: Convert to fraction form
    3,423.39/5,135.09 = 1,961.52/x
  3. Step 3: Cross multiply
    3,423.39x = 5,135.09 × 1,961.52
  4. Step 4: Simplify right side
    3,423.39x = 10,072,571.93
  5. Step 5: Solve for x
    x = 10,072,571.93/3,423.39
  6. Step 6: Final answer
    x = 2,942.28

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.