Home / 3,799.87-5,691.79-1,945.33

Finding the Fourth Proportional to 3,799.87, 5,691.79 and 1,945.33

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Solution

The fourth proportional to 3,799.87, 5,691.79 and 1,945.33 is: 2,913.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,799.87 : 5,691.79 = 1,945.33 : x
  2. Step 2: Convert to fraction form
    3,799.87/5,691.79 = 1,945.33/x
  3. Step 3: Cross multiply
    3,799.87x = 5,691.79 × 1,945.33
  4. Step 4: Simplify right side
    3,799.87x = 11,072,409.84
  5. Step 5: Solve for x
    x = 11,072,409.84/3,799.87
  6. Step 6: Final answer
    x = 2,913.89

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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.