Home / 1,791.90-2,682.75-1,174.26

Finding the Fourth Proportional to 1,791.90, 2,682.75 and 1,174.26

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Solution

The fourth proportional to 1,791.90, 2,682.75 and 1,174.26 is: 1,758.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,791.90 : 2,682.75 = 1,174.26 : x
  2. Step 2: Convert to fraction form
    1,791.90/2,682.75 = 1,174.26/x
  3. Step 3: Cross multiply
    1,791.90x = 2,682.75 × 1,174.26
  4. Step 4: Simplify right side
    1,791.90x = 3,150,246.02
  5. Step 5: Solve for x
    x = 3,150,246.02/1,791.90
  6. Step 6: Final answer
    x = 1,758.05

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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.