Home / 3,220.31-4,829.44-1,659.83

Finding the Fourth Proportional to 3,220.31, 4,829.44 and 1,659.83

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Solution

The fourth proportional to 3,220.31, 4,829.44 and 1,659.83 is: 2,489.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,220.31 : 4,829.44 = 1,659.83 : x
  2. Step 2: Convert to fraction form
    3,220.31/4,829.44 = 1,659.83/x
  3. Step 3: Cross multiply
    3,220.31x = 4,829.44 × 1,659.83
  4. Step 4: Simplify right side
    3,220.31x = 8,016,049.40
  5. Step 5: Solve for x
    x = 8,016,049.40/3,220.31
  6. Step 6: Final answer
    x = 2,489.22

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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.