Home / 3,512.82-5,257.05-2,125.32

Finding the Fourth Proportional to 3,512.82, 5,257.05 and 2,125.32

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Solution

The fourth proportional to 3,512.82, 5,257.05 and 2,125.32 is: 3,180.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,512.82 : 5,257.05 = 2,125.32 : x
  2. Step 2: Convert to fraction form
    3,512.82/5,257.05 = 2,125.32/x
  3. Step 3: Cross multiply
    3,512.82x = 5,257.05 × 2,125.32
  4. Step 4: Simplify right side
    3,512.82x = 11,172,913.51
  5. Step 5: Solve for x
    x = 11,172,913.51/3,512.82
  6. Step 6: Final answer
    x = 3,180.61

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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.