Home / 3,287.44-4,537.68-1,891.12

Finding the Fourth Proportional to 3,287.44, 4,537.68 and 1,891.12

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Solution

The fourth proportional to 3,287.44, 4,537.68 and 1,891.12 is: 2,610.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,287.44 : 4,537.68 = 1,891.12 : x
  2. Step 2: Convert to fraction form
    3,287.44/4,537.68 = 1,891.12/x
  3. Step 3: Cross multiply
    3,287.44x = 4,537.68 × 1,891.12
  4. Step 4: Simplify right side
    3,287.44x = 8,581,297.40
  5. Step 5: Solve for x
    x = 8,581,297.40/3,287.44
  6. Step 6: Final answer
    x = 2,610.33

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.