Home / 2,675.67-3,693.45-1,791.15

Finding the Fourth Proportional to 2,675.67, 3,693.45 and 1,791.15

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Solution

The fourth proportional to 2,675.67, 3,693.45 and 1,791.15 is: 2,472.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,675.67 : 3,693.45 = 1,791.15 : x
  2. Step 2: Convert to fraction form
    2,675.67/3,693.45 = 1,791.15/x
  3. Step 3: Cross multiply
    2,675.67x = 3,693.45 × 1,791.15
  4. Step 4: Simplify right side
    2,675.67x = 6,615,522.97
  5. Step 5: Solve for x
    x = 6,615,522.97/2,675.67
  6. Step 6: Final answer
    x = 2,472.47

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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.