Home / 3,209.22-4,814.62-1,894.06

Finding the Fourth Proportional to 3,209.22, 4,814.62 and 1,894.06

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Solution

The fourth proportional to 3,209.22, 4,814.62 and 1,894.06 is: 2,841.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,209.22 : 4,814.62 = 1,894.06 : x
  2. Step 2: Convert to fraction form
    3,209.22/4,814.62 = 1,894.06/x
  3. Step 3: Cross multiply
    3,209.22x = 4,814.62 × 1,894.06
  4. Step 4: Simplify right side
    3,209.22x = 9,119,179.16
  5. Step 5: Solve for x
    x = 9,119,179.16/3,209.22
  6. Step 6: Final answer
    x = 2,841.56

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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.