Home / 3,828.48-5,743.35-1,362.78

Finding the Fourth Proportional to 3,828.48, 5,743.35 and 1,362.78

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Solution

The fourth proportional to 3,828.48, 5,743.35 and 1,362.78 is: 2,044.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,828.48 : 5,743.35 = 1,362.78 : x
  2. Step 2: Convert to fraction form
    3,828.48/5,743.35 = 1,362.78/x
  3. Step 3: Cross multiply
    3,828.48x = 5,743.35 × 1,362.78
  4. Step 4: Simplify right side
    3,828.48x = 7,826,922.51
  5. Step 5: Solve for x
    x = 7,826,922.51/3,828.48
  6. Step 6: Final answer
    x = 2,044.39

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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.