Home / 2,209.14-3,314.25-1,235.88

Finding the Fourth Proportional to 2,209.14, 3,314.25 and 1,235.88

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Solution

The fourth proportional to 2,209.14, 3,314.25 and 1,235.88 is: 1,854.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,209.14 : 3,314.25 = 1,235.88 : x
  2. Step 2: Convert to fraction form
    2,209.14/3,314.25 = 1,235.88/x
  3. Step 3: Cross multiply
    2,209.14x = 3,314.25 × 1,235.88
  4. Step 4: Simplify right side
    2,209.14x = 4,096,015.29
  5. Step 5: Solve for x
    x = 4,096,015.29/2,209.14
  6. Step 6: Final answer
    x = 1,854.12

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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.