Home / 3,289.66-4,932.65-1,097.20

Finding the Fourth Proportional to 3,289.66, 4,932.65 and 1,097.20

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Solution

The fourth proportional to 3,289.66, 4,932.65 and 1,097.20 is: 1,645.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,289.66 : 4,932.65 = 1,097.20 : x
  2. Step 2: Convert to fraction form
    3,289.66/4,932.65 = 1,097.20/x
  3. Step 3: Cross multiply
    3,289.66x = 4,932.65 × 1,097.20
  4. Step 4: Simplify right side
    3,289.66x = 5,412,078.57
  5. Step 5: Solve for x
    x = 5,412,078.57/3,289.66
  6. Step 6: Final answer
    x = 1,645.18

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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.