Home / 3,425.06-5,143.00-2,132.30

Finding the Fourth Proportional to 3,425.06, 5,143.00 and 2,132.30

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Solution

The fourth proportional to 3,425.06, 5,143.00 and 2,132.30 is: 3,201.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,425.06 : 5,143.00 = 2,132.30 : x
  2. Step 2: Convert to fraction form
    3,425.06/5,143.00 = 2,132.30/x
  3. Step 3: Cross multiply
    3,425.06x = 5,143.00 × 2,132.30
  4. Step 4: Simplify right side
    3,425.06x = 10,966,408.24
  5. Step 5: Solve for x
    x = 10,966,408.24/3,425.06
  6. Step 6: Final answer
    x = 3,201.81

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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.