Home / 3,512.07-5,265.45-2,125.11

Finding the Fourth Proportional to 3,512.07, 5,265.45 and 2,125.11

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Solution

The fourth proportional to 3,512.07, 5,265.45 and 2,125.11 is: 3,186.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,512.07 : 5,265.45 = 2,125.11 : x
  2. Step 2: Convert to fraction form
    3,512.07/5,265.45 = 2,125.11/x
  3. Step 3: Cross multiply
    3,512.07x = 5,265.45 × 2,125.11
  4. Step 4: Simplify right side
    3,512.07x = 11,189,660.45
  5. Step 5: Solve for x
    x = 11,189,660.45/3,512.07
  6. Step 6: Final answer
    x = 3,186.06

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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.