Home / 3,272.54-4,909.61-1,081.28

Finding the Fourth Proportional to 3,272.54, 4,909.61 and 1,081.28

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Solution

The fourth proportional to 3,272.54, 4,909.61 and 1,081.28 is: 1,622.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,272.54 : 4,909.61 = 1,081.28 : x
  2. Step 2: Convert to fraction form
    3,272.54/4,909.61 = 1,081.28/x
  3. Step 3: Cross multiply
    3,272.54x = 4,909.61 × 1,081.28
  4. Step 4: Simplify right side
    3,272.54x = 5,308,678.08
  5. Step 5: Solve for x
    x = 5,308,678.08/3,272.54
  6. Step 6: Final answer
    x = 1,622.19

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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.