Home / 2,209.04-3,313.56-1,234.61

Finding the Fourth Proportional to 2,209.04, 3,313.56 and 1,234.61

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Solution

The fourth proportional to 2,209.04, 3,313.56 and 1,234.61 is: 1,851.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,209.04 : 3,313.56 = 1,234.61 : x
  2. Step 2: Convert to fraction form
    2,209.04/3,313.56 = 1,234.61/x
  3. Step 3: Cross multiply
    2,209.04x = 3,313.56 × 1,234.61
  4. Step 4: Simplify right side
    2,209.04x = 4,090,954.31
  5. Step 5: Solve for x
    x = 4,090,954.31/2,209.04
  6. Step 6: Final answer
    x = 1,851.92

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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.