Home / 3,672.49-5,504.06-1,720.39

Finding the Fourth Proportional to 3,672.49, 5,504.06 and 1,720.39

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Solution

The fourth proportional to 3,672.49, 5,504.06 and 1,720.39 is: 2,578.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,672.49 : 5,504.06 = 1,720.39 : x
  2. Step 2: Convert to fraction form
    3,672.49/5,504.06 = 1,720.39/x
  3. Step 3: Cross multiply
    3,672.49x = 5,504.06 × 1,720.39
  4. Step 4: Simplify right side
    3,672.49x = 9,469,121.18
  5. Step 5: Solve for x
    x = 9,469,121.18/3,672.49
  6. Step 6: Final answer
    x = 2,578.39

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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.