Home / 2,791.19-4,183.98-1,145.47

Finding the Fourth Proportional to 2,791.19, 4,183.98 and 1,145.47

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Solution

The fourth proportional to 2,791.19, 4,183.98 and 1,145.47 is: 1,717.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,791.19 : 4,183.98 = 1,145.47 : x
  2. Step 2: Convert to fraction form
    2,791.19/4,183.98 = 1,145.47/x
  3. Step 3: Cross multiply
    2,791.19x = 4,183.98 × 1,145.47
  4. Step 4: Simplify right side
    2,791.19x = 4,792,623.57
  5. Step 5: Solve for x
    x = 4,792,623.57/2,791.19
  6. Step 6: Final answer
    x = 1,717.05

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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.