Home / 3,383.74-5,075.61-2,221.08

Finding the Fourth Proportional to 3,383.74, 5,075.61 and 2,221.08

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Solution

The fourth proportional to 3,383.74, 5,075.61 and 2,221.08 is: 3,331.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,383.74 : 5,075.61 = 2,221.08 : x
  2. Step 2: Convert to fraction form
    3,383.74/5,075.61 = 2,221.08/x
  3. Step 3: Cross multiply
    3,383.74x = 5,075.61 × 2,221.08
  4. Step 4: Simplify right side
    3,383.74x = 11,273,335.86
  5. Step 5: Solve for x
    x = 11,273,335.86/3,383.74
  6. Step 6: Final answer
    x = 3,331.62

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Similar ratio
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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.