Home / 1,245.26-1,714.41-1,067.87

Finding the Fourth Proportional to 1,245.26, 1,714.41 and 1,067.87

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Solution

The fourth proportional to 1,245.26, 1,714.41 and 1,067.87 is: 1,470.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,245.26 : 1,714.41 = 1,067.87 : x
  2. Step 2: Convert to fraction form
    1,245.26/1,714.41 = 1,067.87/x
  3. Step 3: Cross multiply
    1,245.26x = 1,714.41 × 1,067.87
  4. Step 4: Simplify right side
    1,245.26x = 1,830,758.43
  5. Step 5: Solve for x
    x = 1,830,758.43/1,245.26
  6. Step 6: Final answer
    x = 1,470.19

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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.