Home / 1,372.08-2,067.48-1,133.94

Finding the Fourth Proportional to 1,372.08, 2,067.48 and 1,133.94

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Solution

The fourth proportional to 1,372.08, 2,067.48 and 1,133.94 is: 1,708.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,372.08 : 2,067.48 = 1,133.94 : x
  2. Step 2: Convert to fraction form
    1,372.08/2,067.48 = 1,133.94/x
  3. Step 3: Cross multiply
    1,372.08x = 2,067.48 × 1,133.94
  4. Step 4: Simplify right side
    1,372.08x = 2,344,398.27
  5. Step 5: Solve for x
    x = 2,344,398.27/1,372.08
  6. Step 6: Final answer
    x = 1,708.65

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.