Home / 3,221.30-4,833.77-1,372.22

Finding the Fourth Proportional to 3,221.30, 4,833.77 and 1,372.22

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Solution

The fourth proportional to 3,221.30, 4,833.77 and 1,372.22 is: 2,059.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,221.30 : 4,833.77 = 1,372.22 : x
  2. Step 2: Convert to fraction form
    3,221.30/4,833.77 = 1,372.22/x
  3. Step 3: Cross multiply
    3,221.30x = 4,833.77 × 1,372.22
  4. Step 4: Simplify right side
    3,221.30x = 6,632,964.84
  5. Step 5: Solve for x
    x = 6,632,964.84/3,221.30
  6. Step 6: Final answer
    x = 2,059.10

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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.