Home / 2,791.46-3,851.44-1,995.02

Finding the Fourth Proportional to 2,791.46, 3,851.44 and 1,995.02

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Solution

The fourth proportional to 2,791.46, 3,851.44 and 1,995.02 is: 2,752.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,791.46 : 3,851.44 = 1,995.02 : x
  2. Step 2: Convert to fraction form
    2,791.46/3,851.44 = 1,995.02/x
  3. Step 3: Cross multiply
    2,791.46x = 3,851.44 × 1,995.02
  4. Step 4: Simplify right side
    2,791.46x = 7,683,699.83
  5. Step 5: Solve for x
    x = 7,683,699.83/2,791.46
  6. Step 6: Final answer
    x = 2,752.57

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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.