Home / 3,529.40-5,289.99-2,836.85

Finding the Fourth Proportional to 3,529.40, 5,289.99 and 2,836.85

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Solution

The fourth proportional to 3,529.40, 5,289.99 and 2,836.85 is: 4,251.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,529.40 : 5,289.99 = 2,836.85 : x
  2. Step 2: Convert to fraction form
    3,529.40/5,289.99 = 2,836.85/x
  3. Step 3: Cross multiply
    3,529.40x = 5,289.99 × 2,836.85
  4. Step 4: Simplify right side
    3,529.40x = 15,006,908.13
  5. Step 5: Solve for x
    x = 15,006,908.13/3,529.40
  6. Step 6: Final answer
    x = 4,251.97

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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.