Home / 3,468.82-5,205.27-1,277.72

Finding the Fourth Proportional to 3,468.82, 5,205.27 and 1,277.72

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Solution

The fourth proportional to 3,468.82, 5,205.27 and 1,277.72 is: 1,917.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,468.82 : 5,205.27 = 1,277.72 : x
  2. Step 2: Convert to fraction form
    3,468.82/5,205.27 = 1,277.72/x
  3. Step 3: Cross multiply
    3,468.82x = 5,205.27 × 1,277.72
  4. Step 4: Simplify right side
    3,468.82x = 6,650,877.58
  5. Step 5: Solve for x
    x = 6,650,877.58/3,468.82
  6. Step 6: Final answer
    x = 1,917.33

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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.