Home / 2,634.39-3,950.97-785.33

Finding the Fourth Proportional to 2,634.39, 3,950.97 and 785.33

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Solution

The fourth proportional to 2,634.39, 3,950.97 and 785.33 is: 1,177.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,634.39 : 3,950.97 = 785.33 : x
  2. Step 2: Convert to fraction form
    2,634.39/3,950.97 = 785.33/x
  3. Step 3: Cross multiply
    2,634.39x = 3,950.97 × 785.33
  4. Step 4: Simplify right side
    2,634.39x = 3,102,807.39
  5. Step 5: Solve for x
    x = 3,102,807.39/2,634.39
  6. Step 6: Final answer
    x = 1,177.81

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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.