Home / 2,784.94-3,845.79-1,791.93

Finding the Fourth Proportional to 2,784.94, 3,845.79 and 1,791.93

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Solution

The fourth proportional to 2,784.94, 3,845.79 and 1,791.93 is: 2,474.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,784.94 : 3,845.79 = 1,791.93 : x
  2. Step 2: Convert to fraction form
    2,784.94/3,845.79 = 1,791.93/x
  3. Step 3: Cross multiply
    2,784.94x = 3,845.79 × 1,791.93
  4. Step 4: Simplify right side
    2,784.94x = 6,891,386.47
  5. Step 5: Solve for x
    x = 6,891,386.47/2,784.94
  6. Step 6: Final answer
    x = 2,474.52

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.