Home / 2,162.20-2,982.96-1,604.04

Finding the Fourth Proportional to 2,162.20, 2,982.96 and 1,604.04

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Solution

The fourth proportional to 2,162.20, 2,982.96 and 1,604.04 is: 2,212.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,162.20 : 2,982.96 = 1,604.04 : x
  2. Step 2: Convert to fraction form
    2,162.20/2,982.96 = 1,604.04/x
  3. Step 3: Cross multiply
    2,162.20x = 2,982.96 × 1,604.04
  4. Step 4: Simplify right side
    2,162.20x = 4,784,787.16
  5. Step 5: Solve for x
    x = 4,784,787.16/2,162.20
  6. Step 6: Final answer
    x = 2,212.93

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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.