Home / 3,912.17-5,866.76-1,137.92

Finding the Fourth Proportional to 3,912.17, 5,866.76 and 1,137.92

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Solution

The fourth proportional to 3,912.17, 5,866.76 and 1,137.92 is: 1,706.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,912.17 : 5,866.76 = 1,137.92 : x
  2. Step 2: Convert to fraction form
    3,912.17/5,866.76 = 1,137.92/x
  3. Step 3: Cross multiply
    3,912.17x = 5,866.76 × 1,137.92
  4. Step 4: Simplify right side
    3,912.17x = 6,675,877.05
  5. Step 5: Solve for x
    x = 6,675,877.05/3,912.17
  6. Step 6: Final answer
    x = 1,706.44

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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.