Home / 3,453.94-5,172.66-1,891.60

Finding the Fourth Proportional to 3,453.94, 5,172.66 and 1,891.60

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Solution

The fourth proportional to 3,453.94, 5,172.66 and 1,891.60 is: 2,832.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,453.94 : 5,172.66 = 1,891.60 : x
  2. Step 2: Convert to fraction form
    3,453.94/5,172.66 = 1,891.60/x
  3. Step 3: Cross multiply
    3,453.94x = 5,172.66 × 1,891.60
  4. Step 4: Simplify right side
    3,453.94x = 9,784,603.66
  5. Step 5: Solve for x
    x = 9,784,603.66/3,453.94
  6. Step 6: Final answer
    x = 2,832.88

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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.