Home / 3,221.74-4,833.21-2,127.02

Finding the Fourth Proportional to 3,221.74, 4,833.21 and 2,127.02

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Solution

The fourth proportional to 3,221.74, 4,833.21 and 2,127.02 is: 3,190.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,221.74 : 4,833.21 = 2,127.02 : x
  2. Step 2: Convert to fraction form
    3,221.74/4,833.21 = 2,127.02/x
  3. Step 3: Cross multiply
    3,221.74x = 4,833.21 × 2,127.02
  4. Step 4: Simplify right side
    3,221.74x = 10,280,334.33
  5. Step 5: Solve for x
    x = 10,280,334.33/3,221.74
  6. Step 6: Final answer
    x = 3,190.93

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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.