Home / 3,489.59-5,236.66-3,208.01

Finding the Fourth Proportional to 3,489.59, 5,236.66 and 3,208.01

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Solution

The fourth proportional to 3,489.59, 5,236.66 and 3,208.01 is: 4,814.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,489.59 : 5,236.66 = 3,208.01 : x
  2. Step 2: Convert to fraction form
    3,489.59/5,236.66 = 3,208.01/x
  3. Step 3: Cross multiply
    3,489.59x = 5,236.66 × 3,208.01
  4. Step 4: Simplify right side
    3,489.59x = 16,799,257.65
  5. Step 5: Solve for x
    x = 16,799,257.65/3,489.59
  6. Step 6: Final answer
    x = 4,814.11

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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.