Home / 3,568.20-5,354.04-2,009.88

Finding the Fourth Proportional to 3,568.20, 5,354.04 and 2,009.88

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Solution

The fourth proportional to 3,568.20, 5,354.04 and 2,009.88 is: 3,015.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,568.20 : 5,354.04 = 2,009.88 : x
  2. Step 2: Convert to fraction form
    3,568.20/5,354.04 = 2,009.88/x
  3. Step 3: Cross multiply
    3,568.20x = 5,354.04 × 2,009.88
  4. Step 4: Simplify right side
    3,568.20x = 10,760,977.92
  5. Step 5: Solve for x
    x = 10,760,977.92/3,568.20
  6. Step 6: Final answer
    x = 3,015.80

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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.