Home / 3,320.70-4,579.92-2,141.88

Finding the Fourth Proportional to 3,320.70, 4,579.92 and 2,141.88

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Solution

The fourth proportional to 3,320.70, 4,579.92 and 2,141.88 is: 2,954.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,320.70 : 4,579.92 = 2,141.88 : x
  2. Step 2: Convert to fraction form
    3,320.70/4,579.92 = 2,141.88/x
  3. Step 3: Cross multiply
    3,320.70x = 4,579.92 × 2,141.88
  4. Step 4: Simplify right side
    3,320.70x = 9,809,639.05
  5. Step 5: Solve for x
    x = 9,809,639.05/3,320.70
  6. Step 6: Final answer
    x = 2,954.09

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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.