Home / 3,209.75-4,814.55-1,018.43

Finding the Fourth Proportional to 3,209.75, 4,814.55 and 1,018.43

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Solution

The fourth proportional to 3,209.75, 4,814.55 and 1,018.43 is: 1,527.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,209.75 : 4,814.55 = 1,018.43 : x
  2. Step 2: Convert to fraction form
    3,209.75/4,814.55 = 1,018.43/x
  3. Step 3: Cross multiply
    3,209.75x = 4,814.55 × 1,018.43
  4. Step 4: Simplify right side
    3,209.75x = 4,903,258.08
  5. Step 5: Solve for x
    x = 4,903,258.08/3,209.75
  6. Step 6: Final answer
    x = 1,527.62

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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.