Home / 3,272.91-4,907.69-1,080.84

Finding the Fourth Proportional to 3,272.91, 4,907.69 and 1,080.84

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Solution

The fourth proportional to 3,272.91, 4,907.69 and 1,080.84 is: 1,620.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,272.91 : 4,907.69 = 1,080.84 : x
  2. Step 2: Convert to fraction form
    3,272.91/4,907.69 = 1,080.84/x
  3. Step 3: Cross multiply
    3,272.91x = 4,907.69 × 1,080.84
  4. Step 4: Simplify right side
    3,272.91x = 5,304,444.71
  5. Step 5: Solve for x
    x = 5,304,444.71/3,272.91
  6. Step 6: Final answer
    x = 1,620.71

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1.5x scale

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.