Home / 3,651.39-5,476.59-1,185.96

Finding the Fourth Proportional to 3,651.39, 5,476.59 and 1,185.96

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Solution

The fourth proportional to 3,651.39, 5,476.59 and 1,185.96 is: 1,778.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,651.39 : 5,476.59 = 1,185.96 : x
  2. Step 2: Convert to fraction form
    3,651.39/5,476.59 = 1,185.96/x
  3. Step 3: Cross multiply
    3,651.39x = 5,476.59 × 1,185.96
  4. Step 4: Simplify right side
    3,651.39x = 6,495,016.68
  5. Step 5: Solve for x
    x = 6,495,016.68/3,651.39
  6. Step 6: Final answer
    x = 1,778.78

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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.