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Finding the Fourth Proportional to 3,950.92, 5,926.36 and 1,029.22

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Solution

The fourth proportional to 3,950.92, 5,926.36 and 1,029.22 is: 1,543.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,950.92 : 5,926.36 = 1,029.22 : x
  2. Step 2: Convert to fraction form
    3,950.92/5,926.36 = 1,029.22/x
  3. Step 3: Cross multiply
    3,950.92x = 5,926.36 × 1,029.22
  4. Step 4: Simplify right side
    3,950.92x = 6,099,528.24
  5. Step 5: Solve for x
    x = 6,099,528.24/3,950.92
  6. Step 6: Final answer
    x = 1,543.82

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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.