Home / 1,108.14-1,536.41-1,067.10

Finding the Fourth Proportional to 1,108.14, 1,536.41 and 1,067.10

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Solution

The fourth proportional to 1,108.14, 1,536.41 and 1,067.10 is: 1,479.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,108.14 : 1,536.41 = 1,067.10 : x
  2. Step 2: Convert to fraction form
    1,108.14/1,536.41 = 1,067.10/x
  3. Step 3: Cross multiply
    1,108.14x = 1,536.41 × 1,067.10
  4. Step 4: Simplify right side
    1,108.14x = 1,639,497.78
  5. Step 5: Solve for x
    x = 1,639,497.78/1,108.14
  6. Step 6: Final answer
    x = 1,479.50

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Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.