Home / 3,645.39-5,468.88-1,336.89

Finding the Fourth Proportional to 3,645.39, 5,468.88 and 1,336.89

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Solution

The fourth proportional to 3,645.39, 5,468.88 and 1,336.89 is: 2,005.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,645.39 : 5,468.88 = 1,336.89 : x
  2. Step 2: Convert to fraction form
    3,645.39/5,468.88 = 1,336.89/x
  3. Step 3: Cross multiply
    3,645.39x = 5,468.88 × 1,336.89
  4. Step 4: Simplify right side
    3,645.39x = 7,311,290.98
  5. Step 5: Solve for x
    x = 7,311,290.98/3,645.39
  6. Step 6: Final answer
    x = 2,005.63

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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.