Home / 3,141.37-4,712.22-2,221.03

Finding the Fourth Proportional to 3,141.37, 4,712.22 and 2,221.03

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Solution

The fourth proportional to 3,141.37, 4,712.22 and 2,221.03 is: 3,331.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,141.37 : 4,712.22 = 2,221.03 : x
  2. Step 2: Convert to fraction form
    3,141.37/4,712.22 = 2,221.03/x
  3. Step 3: Cross multiply
    3,141.37x = 4,712.22 × 2,221.03
  4. Step 4: Simplify right side
    3,141.37x = 10,465,987.88
  5. Step 5: Solve for x
    x = 10,465,987.88/3,141.37
  6. Step 6: Final answer
    x = 3,331.66

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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.