Home / 3,828.33-5,740.56-1,362.78

Finding the Fourth Proportional to 3,828.33, 5,740.56 and 1,362.78

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Solution

The fourth proportional to 3,828.33, 5,740.56 and 1,362.78 is: 2,043.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,828.33 : 5,740.56 = 1,362.78 : x
  2. Step 2: Convert to fraction form
    3,828.33/5,740.56 = 1,362.78/x
  3. Step 3: Cross multiply
    3,828.33x = 5,740.56 × 1,362.78
  4. Step 4: Simplify right side
    3,828.33x = 7,823,120.36
  5. Step 5: Solve for x
    x = 7,823,120.36/3,828.33
  6. Step 6: Final answer
    x = 2,043.48

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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.