Home / 2,715.44-4,076.48-1,791.77

Finding the Fourth Proportional to 2,715.44, 4,076.48 and 1,791.77

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Solution

The fourth proportional to 2,715.44, 4,076.48 and 1,791.77 is: 2,689.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,715.44 : 4,076.48 = 1,791.77 : x
  2. Step 2: Convert to fraction form
    2,715.44/4,076.48 = 1,791.77/x
  3. Step 3: Cross multiply
    2,715.44x = 4,076.48 × 1,791.77
  4. Step 4: Simplify right side
    2,715.44x = 7,304,085.23
  5. Step 5: Solve for x
    x = 7,304,085.23/2,715.44
  6. Step 6: Final answer
    x = 2,689.84

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.