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Finding the Fourth Proportional to 3,930.08, 5,895.52 and 1,296.81

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Solution

The fourth proportional to 3,930.08, 5,895.52 and 1,296.81 is: 1,945.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,930.08 : 5,895.52 = 1,296.81 : x
  2. Step 2: Convert to fraction form
    3,930.08/5,895.52 = 1,296.81/x
  3. Step 3: Cross multiply
    3,930.08x = 5,895.52 × 1,296.81
  4. Step 4: Simplify right side
    3,930.08x = 7,645,366.05
  5. Step 5: Solve for x
    x = 7,645,366.05/3,930.08
  6. Step 6: Final answer
    x = 1,945.35

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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.