Home / 3,942.66-5,913.96-1,169.35

Finding the Fourth Proportional to 3,942.66, 5,913.96 and 1,169.35

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Solution

The fourth proportional to 3,942.66, 5,913.96 and 1,169.35 is: 1,754.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,942.66 : 5,913.96 = 1,169.35 : x
  2. Step 2: Convert to fraction form
    3,942.66/5,913.96 = 1,169.35/x
  3. Step 3: Cross multiply
    3,942.66x = 5,913.96 × 1,169.35
  4. Step 4: Simplify right side
    3,942.66x = 6,915,489.13
  5. Step 5: Solve for x
    x = 6,915,489.13/3,942.66
  6. Step 6: Final answer
    x = 1,754.02

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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.