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Finding the Fourth Proportional to 3,950.16, 5,926.01 and 3,305.40

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Solution

The fourth proportional to 3,950.16, 5,926.01 and 3,305.40 is: 4,958.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,950.16 : 5,926.01 = 3,305.40 : x
  2. Step 2: Convert to fraction form
    3,950.16/5,926.01 = 3,305.40/x
  3. Step 3: Cross multiply
    3,950.16x = 5,926.01 × 3,305.40
  4. Step 4: Simplify right side
    3,950.16x = 19,587,816.93
  5. Step 5: Solve for x
    x = 19,587,816.93/3,950.16
  6. Step 6: Final answer
    x = 4,958.74

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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.