Home / 3,453.30-5,172.39-3,377.21

Finding the Fourth Proportional to 3,453.30, 5,172.39 and 3,377.21

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Solution

The fourth proportional to 3,453.30, 5,172.39 and 3,377.21 is: 5,058.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,453.30 : 5,172.39 = 3,377.21 : x
  2. Step 2: Convert to fraction form
    3,453.30/5,172.39 = 3,377.21/x
  3. Step 3: Cross multiply
    3,453.30x = 5,172.39 × 3,377.21
  4. Step 4: Simplify right side
    3,453.30x = 17,468,221.37
  5. Step 5: Solve for x
    x = 17,468,221.37/3,453.30
  6. Step 6: Final answer
    x = 5,058.41

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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.