Home / 3,505.54-5,251.12-2,808.43

Finding the Fourth Proportional to 3,505.54, 5,251.12 and 2,808.43

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Solution

The fourth proportional to 3,505.54, 5,251.12 and 2,808.43 is: 4,206.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,505.54 : 5,251.12 = 2,808.43 : x
  2. Step 2: Convert to fraction form
    3,505.54/5,251.12 = 2,808.43/x
  3. Step 3: Cross multiply
    3,505.54x = 5,251.12 × 2,808.43
  4. Step 4: Simplify right side
    3,505.54x = 14,747,402.94
  5. Step 5: Solve for x
    x = 14,747,402.94/3,505.54
  6. Step 6: Final answer
    x = 4,206.88

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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.