Home / 2,183.58-3,275.33-540.13

Finding the Fourth Proportional to 2,183.58, 3,275.33 and 540.13

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Solution

The fourth proportional to 2,183.58, 3,275.33 and 540.13 is: 810.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,183.58 : 3,275.33 = 540.13 : x
  2. Step 2: Convert to fraction form
    2,183.58/3,275.33 = 540.13/x
  3. Step 3: Cross multiply
    2,183.58x = 3,275.33 × 540.13
  4. Step 4: Simplify right side
    2,183.58x = 1,769,089.81
  5. Step 5: Solve for x
    x = 1,769,089.81/2,183.58
  6. Step 6: Final answer
    x = 810.18

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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.