Home / 3,743.48-5,171.64-3,189.72

Finding the Fourth Proportional to 3,743.48, 5,171.64 and 3,189.72

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Solution

The fourth proportional to 3,743.48, 5,171.64 and 3,189.72 is: 4,406.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,743.48 : 5,171.64 = 3,189.72 : x
  2. Step 2: Convert to fraction form
    3,743.48/5,171.64 = 3,189.72/x
  3. Step 3: Cross multiply
    3,743.48x = 5,171.64 × 3,189.72
  4. Step 4: Simplify right side
    3,743.48x = 16,496,083.54
  5. Step 5: Solve for x
    x = 16,496,083.54/3,743.48
  6. Step 6: Final answer
    x = 4,406.62

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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.