Home / 1,791.56-2,468.94-1,293.28

Finding the Fourth Proportional to 1,791.56, 2,468.94 and 1,293.28

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Solution

The fourth proportional to 1,791.56, 2,468.94 and 1,293.28 is: 1,782.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,791.56 : 2,468.94 = 1,293.28 : x
  2. Step 2: Convert to fraction form
    1,791.56/2,468.94 = 1,293.28/x
  3. Step 3: Cross multiply
    1,791.56x = 2,468.94 × 1,293.28
  4. Step 4: Simplify right side
    1,791.56x = 3,193,030.72
  5. Step 5: Solve for x
    x = 3,193,030.72/1,791.56
  6. Step 6: Final answer
    x = 1,782.26

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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.