Home / 2,791.04-4,187.14-1,147.57

Finding the Fourth Proportional to 2,791.04, 4,187.14 and 1,147.57

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Solution

The fourth proportional to 2,791.04, 4,187.14 and 1,147.57 is: 1,721.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,791.04 : 4,187.14 = 1,147.57 : x
  2. Step 2: Convert to fraction form
    2,791.04/4,187.14 = 1,147.57/x
  3. Step 3: Cross multiply
    2,791.04x = 4,187.14 × 1,147.57
  4. Step 4: Simplify right side
    2,791.04x = 4,805,022.91
  5. Step 5: Solve for x
    x = 4,805,022.91/2,791.04
  6. Step 6: Final answer
    x = 1,721.59

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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.