Home / 3,221.56-4,832.34-2,132.83

Finding the Fourth Proportional to 3,221.56, 4,832.34 and 2,132.83

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Solution

The fourth proportional to 3,221.56, 4,832.34 and 2,132.83 is: 3,199.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,221.56 : 4,832.34 = 2,132.83 : x
  2. Step 2: Convert to fraction form
    3,221.56/4,832.34 = 2,132.83/x
  3. Step 3: Cross multiply
    3,221.56x = 4,832.34 × 2,132.83
  4. Step 4: Simplify right side
    3,221.56x = 10,306,559.72
  5. Step 5: Solve for x
    x = 10,306,559.72/3,221.56
  6. Step 6: Final answer
    x = 3,199.25

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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.