Home / 3,789.60-5,230.62-3,395.94

Finding the Fourth Proportional to 3,789.60, 5,230.62 and 3,395.94

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Solution

The fourth proportional to 3,789.60, 5,230.62 and 3,395.94 is: 4,687.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,789.60 : 5,230.62 = 3,395.94 : x
  2. Step 2: Convert to fraction form
    3,789.60/5,230.62 = 3,395.94/x
  3. Step 3: Cross multiply
    3,789.60x = 5,230.62 × 3,395.94
  4. Step 4: Simplify right side
    3,789.60x = 17,762,871.68
  5. Step 5: Solve for x
    x = 17,762,871.68/3,789.60
  6. Step 6: Final answer
    x = 4,687.27

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.