Home / 3,512.62-5,253.43-3,125.33

Finding the Fourth Proportional to 3,512.62, 5,253.43 and 3,125.33

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Solution

The fourth proportional to 3,512.62, 5,253.43 and 3,125.33 is: 4,674.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,512.62 : 5,253.43 = 3,125.33 : x
  2. Step 2: Convert to fraction form
    3,512.62/5,253.43 = 3,125.33/x
  3. Step 3: Cross multiply
    3,512.62x = 5,253.43 × 3,125.33
  4. Step 4: Simplify right side
    3,512.62x = 16,418,732.20
  5. Step 5: Solve for x
    x = 16,418,732.20/3,512.62
  6. Step 6: Final answer
    x = 4,674.22

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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.