Home / 2,246.12-3,369.42-1,091

Finding the Fourth Proportional to 2,246.12, 3,369.42 and 1,091

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Solution

The fourth proportional to 2,246.12, 3,369.42 and 1,091 is: 1,636.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,246.12 : 3,369.42 = 1,091 : x
  2. Step 2: Convert to fraction form
    2,246.12/3,369.42 = 1,091/x
  3. Step 3: Cross multiply
    2,246.12x = 3,369.42 × 1,091
  4. Step 4: Simplify right side
    2,246.12x = 3,676,037.22
  5. Step 5: Solve for x
    x = 3,676,037.22/2,246.12
  6. Step 6: Final answer
    x = 1,636.62

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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.