Home / 3,828.80-5,743.20-1,364.24

Finding the Fourth Proportional to 3,828.80, 5,743.20 and 1,364.24

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Solution

The fourth proportional to 3,828.80, 5,743.20 and 1,364.24 is: 2,046.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,828.80 : 5,743.20 = 1,364.24 : x
  2. Step 2: Convert to fraction form
    3,828.80/5,743.20 = 1,364.24/x
  3. Step 3: Cross multiply
    3,828.80x = 5,743.20 × 1,364.24
  4. Step 4: Simplify right side
    3,828.80x = 7,835,103.17
  5. Step 5: Solve for x
    x = 7,835,103.17/3,828.80
  6. Step 6: Final answer
    x = 2,046.36

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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.