Home / 1,615.39-2,424.30-1,067.38

Finding the Fourth Proportional to 1,615.39, 2,424.30 and 1,067.38

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Solution

The fourth proportional to 1,615.39, 2,424.30 and 1,067.38 is: 1,601.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,615.39 : 2,424.30 = 1,067.38 : x
  2. Step 2: Convert to fraction form
    1,615.39/2,424.30 = 1,067.38/x
  3. Step 3: Cross multiply
    1,615.39x = 2,424.30 × 1,067.38
  4. Step 4: Simplify right side
    1,615.39x = 2,587,649.33
  5. Step 5: Solve for x
    x = 2,587,649.33/1,615.39
  6. Step 6: Final answer
    x = 1,601.87

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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.