Home / 2,712.04-4,067.45-1,324.51

Finding the Fourth Proportional to 2,712.04, 4,067.45 and 1,324.51

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Solution

The fourth proportional to 2,712.04, 4,067.45 and 1,324.51 is: 1,986.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,712.04 : 4,067.45 = 1,324.51 : x
  2. Step 2: Convert to fraction form
    2,712.04/4,067.45 = 1,324.51/x
  3. Step 3: Cross multiply
    2,712.04x = 4,067.45 × 1,324.51
  4. Step 4: Simplify right side
    2,712.04x = 5,387,366.38
  5. Step 5: Solve for x
    x = 5,387,366.38/2,712.04
  6. Step 6: Final answer
    x = 1,986.46

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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.