Home / 3,220.06-4,426.59-2,770.28

Finding the Fourth Proportional to 3,220.06, 4,426.59 and 2,770.28

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Solution

The fourth proportional to 3,220.06, 4,426.59 and 2,770.28 is: 3,808.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,220.06 : 4,426.59 = 2,770.28 : x
  2. Step 2: Convert to fraction form
    3,220.06/4,426.59 = 2,770.28/x
  3. Step 3: Cross multiply
    3,220.06x = 4,426.59 × 2,770.28
  4. Step 4: Simplify right side
    3,220.06x = 12,262,893.75
  5. Step 5: Solve for x
    x = 12,262,893.75/3,220.06
  6. Step 6: Final answer
    x = 3,808.28

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Half scale
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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.