Home / 2,183.64-3,275.46-540.23

Finding the Fourth Proportional to 2,183.64, 3,275.46 and 540.23

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Solution

The fourth proportional to 2,183.64, 3,275.46 and 540.23 is: 810.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,183.64 : 3,275.46 = 540.23 : x
  2. Step 2: Convert to fraction form
    2,183.64/3,275.46 = 540.23/x
  3. Step 3: Cross multiply
    2,183.64x = 3,275.46 × 540.23
  4. Step 4: Simplify right side
    2,183.64x = 1,769,485.38
  5. Step 5: Solve for x
    x = 1,769,485.38/2,183.64
  6. Step 6: Final answer
    x = 810.34

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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.