Home / 3,219.06-4,425.22-2,769.28

Finding the Fourth Proportional to 3,219.06, 4,425.22 and 2,769.28

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Solution

The fourth proportional to 3,219.06, 4,425.22 and 2,769.28 is: 3,806.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,219.06 : 4,425.22 = 2,769.28 : x
  2. Step 2: Convert to fraction form
    3,219.06/4,425.22 = 2,769.28/x
  3. Step 3: Cross multiply
    3,219.06x = 4,425.22 × 2,769.28
  4. Step 4: Simplify right side
    3,219.06x = 12,254,659.40
  5. Step 5: Solve for x
    x = 12,254,659.40/3,219.06
  6. Step 6: Final answer
    x = 3,806.91

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.