Home / 3,451.14-5,172.39-1,720.26

Finding the Fourth Proportional to 3,451.14, 5,172.39 and 1,720.26

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Solution

The fourth proportional to 3,451.14, 5,172.39 and 1,720.26 is: 2,578.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,451.14 : 5,172.39 = 1,720.26 : x
  2. Step 2: Convert to fraction form
    3,451.14/5,172.39 = 1,720.26/x
  3. Step 3: Cross multiply
    3,451.14x = 5,172.39 × 1,720.26
  4. Step 4: Simplify right side
    3,451.14x = 8,897,855.62
  5. Step 5: Solve for x
    x = 8,897,855.62/3,451.14
  6. Step 6: Final answer
    x = 2,578.24

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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.