Home / 1,832.91-2,751.41-1,217.81

Finding the Fourth Proportional to 1,832.91, 2,751.41 and 1,217.81

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Solution

The fourth proportional to 1,832.91, 2,751.41 and 1,217.81 is: 1,828.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,832.91 : 2,751.41 = 1,217.81 : x
  2. Step 2: Convert to fraction form
    1,832.91/2,751.41 = 1,217.81/x
  3. Step 3: Cross multiply
    1,832.91x = 2,751.41 × 1,217.81
  4. Step 4: Simplify right side
    1,832.91x = 3,350,704.54
  5. Step 5: Solve for x
    x = 3,350,704.54/1,832.91
  6. Step 6: Final answer
    x = 1,828.08

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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.