Home / 2,207.27-3,040.73-1,891.53

Finding the Fourth Proportional to 2,207.27, 3,040.73 and 1,891.53

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Solution

The fourth proportional to 2,207.27, 3,040.73 and 1,891.53 is: 2,605.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,207.27 : 3,040.73 = 1,891.53 : x
  2. Step 2: Convert to fraction form
    2,207.27/3,040.73 = 1,891.53/x
  3. Step 3: Cross multiply
    2,207.27x = 3,040.73 × 1,891.53
  4. Step 4: Simplify right side
    2,207.27x = 5,751,636.75
  5. Step 5: Solve for x
    x = 5,751,636.75/2,207.27
  6. Step 6: Final answer
    x = 2,605.78

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.