Home / 3,769.29-5,660.37-2,455.29

Finding the Fourth Proportional to 3,769.29, 5,660.37 and 2,455.29

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Solution

The fourth proportional to 3,769.29, 5,660.37 and 2,455.29 is: 3,687.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,769.29 : 5,660.37 = 2,455.29 : x
  2. Step 2: Convert to fraction form
    3,769.29/5,660.37 = 2,455.29/x
  3. Step 3: Cross multiply
    3,769.29x = 5,660.37 × 2,455.29
  4. Step 4: Simplify right side
    3,769.29x = 13,897,849.86
  5. Step 5: Solve for x
    x = 13,897,849.86/3,769.29
  6. Step 6: Final answer
    x = 3,687.13

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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.