Home / 3,942.70-5,913.49-1,169.26

Finding the Fourth Proportional to 3,942.70, 5,913.49 and 1,169.26

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Solution

The fourth proportional to 3,942.70, 5,913.49 and 1,169.26 is: 1,753.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,942.70 : 5,913.49 = 1,169.26 : x
  2. Step 2: Convert to fraction form
    3,942.70/5,913.49 = 1,169.26/x
  3. Step 3: Cross multiply
    3,942.70x = 5,913.49 × 1,169.26
  4. Step 4: Simplify right side
    3,942.70x = 6,914,407.32
  5. Step 5: Solve for x
    x = 6,914,407.32/3,942.70
  6. Step 6: Final answer
    x = 1,753.72

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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.