Home / 3,645.15-5,467.80-1,179.96

Finding the Fourth Proportional to 3,645.15, 5,467.80 and 1,179.96

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Solution

The fourth proportional to 3,645.15, 5,467.80 and 1,179.96 is: 1,769.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,645.15 : 5,467.80 = 1,179.96 : x
  2. Step 2: Convert to fraction form
    3,645.15/5,467.80 = 1,179.96/x
  3. Step 3: Cross multiply
    3,645.15x = 5,467.80 × 1,179.96
  4. Step 4: Simplify right side
    3,645.15x = 6,451,779.39
  5. Step 5: Solve for x
    x = 6,451,779.39/3,645.15
  6. Step 6: Final answer
    x = 1,769.97

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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.