Home / 2,791.24-4,186.71-1,230.82

Finding the Fourth Proportional to 2,791.24, 4,186.71 and 1,230.82

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Solution

The fourth proportional to 2,791.24, 4,186.71 and 1,230.82 is: 1,846.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,791.24 : 4,186.71 = 1,230.82 : x
  2. Step 2: Convert to fraction form
    2,791.24/4,186.71 = 1,230.82/x
  3. Step 3: Cross multiply
    2,791.24x = 4,186.71 × 1,230.82
  4. Step 4: Simplify right side
    2,791.24x = 5,153,075.94
  5. Step 5: Solve for x
    x = 5,153,075.94/2,791.24
  6. Step 6: Final answer
    x = 1,846.16

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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.