Home / 2,727.29-3,763.68-1,485.29

Finding the Fourth Proportional to 2,727.29, 3,763.68 and 1,485.29

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Solution

The fourth proportional to 2,727.29, 3,763.68 and 1,485.29 is: 2,049.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,727.29 : 3,763.68 = 1,485.29 : x
  2. Step 2: Convert to fraction form
    2,727.29/3,763.68 = 1,485.29/x
  3. Step 3: Cross multiply
    2,727.29x = 3,763.68 × 1,485.29
  4. Step 4: Simplify right side
    2,727.29x = 5,590,156.27
  5. Step 5: Solve for x
    x = 5,590,156.27/2,727.29
  6. Step 6: Final answer
    x = 2,049.71

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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.