Home / 3,512.92-5,272.62-3,325.48

Finding the Fourth Proportional to 3,512.92, 5,272.62 and 3,325.48

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Solution

The fourth proportional to 3,512.92, 5,272.62 and 3,325.48 is: 4,991.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,512.92 : 5,272.62 = 3,325.48 : x
  2. Step 2: Convert to fraction form
    3,512.92/5,272.62 = 3,325.48/x
  3. Step 3: Cross multiply
    3,512.92x = 5,272.62 × 3,325.48
  4. Step 4: Simplify right side
    3,512.92x = 17,533,992.36
  5. Step 5: Solve for x
    x = 17,533,992.36/3,512.92
  6. Step 6: Final answer
    x = 4,991.29

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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.