Home / 2,791.78-4,184.02-1,146.06

Finding the Fourth Proportional to 2,791.78, 4,184.02 and 1,146.06

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Solution

The fourth proportional to 2,791.78, 4,184.02 and 1,146.06 is: 1,717.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,791.78 : 4,184.02 = 1,146.06 : x
  2. Step 2: Convert to fraction form
    2,791.78/4,184.02 = 1,146.06/x
  3. Step 3: Cross multiply
    2,791.78x = 4,184.02 × 1,146.06
  4. Step 4: Simplify right side
    2,791.78x = 4,795,137.96
  5. Step 5: Solve for x
    x = 4,795,137.96/2,791.78
  6. Step 6: Final answer
    x = 1,717.59

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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.