Home / 3,320.76-4,579.89-2,201.97

Finding the Fourth Proportional to 3,320.76, 4,579.89 and 2,201.97

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Solution

The fourth proportional to 3,320.76, 4,579.89 and 2,201.97 is: 3,036.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,320.76 : 4,579.89 = 2,201.97 : x
  2. Step 2: Convert to fraction form
    3,320.76/4,579.89 = 2,201.97/x
  3. Step 3: Cross multiply
    3,320.76x = 4,579.89 × 2,201.97
  4. Step 4: Simplify right side
    3,320.76x = 10,084,757.48
  5. Step 5: Solve for x
    x = 10,084,757.48/3,320.76
  6. Step 6: Final answer
    x = 3,036.89

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.