Home / 1,967.19-2,709.12-1,791.96

Finding the Fourth Proportional to 1,967.19, 2,709.12 and 1,791.96

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Solution

The fourth proportional to 1,967.19, 2,709.12 and 1,791.96 is: 2,467.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,967.19 : 2,709.12 = 1,791.96 : x
  2. Step 2: Convert to fraction form
    1,967.19/2,709.12 = 1,791.96/x
  3. Step 3: Cross multiply
    1,967.19x = 2,709.12 × 1,791.96
  4. Step 4: Simplify right side
    1,967.19x = 4,854,634.68
  5. Step 5: Solve for x
    x = 4,854,634.68/1,967.19
  6. Step 6: Final answer
    x = 2,467.80

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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.