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Finding the Fourth Proportional to 3,289.77, 4,932.63 and 1,097.91

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Solution

The fourth proportional to 3,289.77, 4,932.63 and 1,097.91 is: 1,646.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,289.77 : 4,932.63 = 1,097.91 : x
  2. Step 2: Convert to fraction form
    3,289.77/4,932.63 = 1,097.91/x
  3. Step 3: Cross multiply
    3,289.77x = 4,932.63 × 1,097.91
  4. Step 4: Simplify right side
    3,289.77x = 5,415,583.80
  5. Step 5: Solve for x
    x = 5,415,583.80/3,289.77
  6. Step 6: Final answer
    x = 1,646.19

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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.