Home / 2,791.07-3,851.65-1,514.95

Finding the Fourth Proportional to 2,791.07, 3,851.65 and 1,514.95

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Solution

The fourth proportional to 2,791.07, 3,851.65 and 1,514.95 is: 2,090.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,791.07 : 3,851.65 = 1,514.95 : x
  2. Step 2: Convert to fraction form
    2,791.07/3,851.65 = 1,514.95/x
  3. Step 3: Cross multiply
    2,791.07x = 3,851.65 × 1,514.95
  4. Step 4: Simplify right side
    2,791.07x = 5,835,057.17
  5. Step 5: Solve for x
    x = 5,835,057.17/2,791.07
  6. Step 6: Final answer
    x = 2,090.62

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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.