Home / 3,320.79-4,581.09-2,201.37

Finding the Fourth Proportional to 3,320.79, 4,581.09 and 2,201.37

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Solution

The fourth proportional to 3,320.79, 4,581.09 and 2,201.37 is: 3,036.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,320.79 : 4,581.09 = 2,201.37 : x
  2. Step 2: Convert to fraction form
    3,320.79/4,581.09 = 2,201.37/x
  3. Step 3: Cross multiply
    3,320.79x = 4,581.09 × 2,201.37
  4. Step 4: Simplify right side
    3,320.79x = 10,084,674.09
  5. Step 5: Solve for x
    x = 10,084,674.09/3,320.79
  6. Step 6: Final answer
    x = 3,036.83

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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.