Home / 3,930.09-5,896.15-1,156.86

Finding the Fourth Proportional to 3,930.09, 5,896.15 and 1,156.86

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Solution

The fourth proportional to 3,930.09, 5,896.15 and 1,156.86 is: 1,735.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,930.09 : 5,896.15 = 1,156.86 : x
  2. Step 2: Convert to fraction form
    3,930.09/5,896.15 = 1,156.86/x
  3. Step 3: Cross multiply
    3,930.09x = 5,896.15 × 1,156.86
  4. Step 4: Simplify right side
    3,930.09x = 6,820,984.82
  5. Step 5: Solve for x
    x = 6,820,984.82/3,930.09
  6. Step 6: Final answer
    x = 1,735.58

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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.