Home / 3,930.39-5,896.44-1,465.47

Finding the Fourth Proportional to 3,930.39, 5,896.44 and 1,465.47

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Solution

The fourth proportional to 3,930.39, 5,896.44 and 1,465.47 is: 2,198.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,930.39 : 5,896.44 = 1,465.47 : x
  2. Step 2: Convert to fraction form
    3,930.39/5,896.44 = 1,465.47/x
  3. Step 3: Cross multiply
    3,930.39x = 5,896.44 × 1,465.47
  4. Step 4: Simplify right side
    3,930.39x = 8,641,055.93
  5. Step 5: Solve for x
    x = 8,641,055.93/3,930.39
  6. Step 6: Final answer
    x = 2,198.52

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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.