Home / 2,791.09-4,185.93-1,148.09

Finding the Fourth Proportional to 2,791.09, 4,185.93 and 1,148.09

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Solution

The fourth proportional to 2,791.09, 4,185.93 and 1,148.09 is: 1,721.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,791.09 : 4,185.93 = 1,148.09 : x
  2. Step 2: Convert to fraction form
    2,791.09/4,185.93 = 1,148.09/x
  3. Step 3: Cross multiply
    2,791.09x = 4,185.93 × 1,148.09
  4. Step 4: Simplify right side
    2,791.09x = 4,805,824.37
  5. Step 5: Solve for x
    x = 4,805,824.37/2,791.09
  6. Step 6: Final answer
    x = 1,721.85

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1.5x scale

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.