Home / 3,911.33-5,867.50-1,277.91

Finding the Fourth Proportional to 3,911.33, 5,867.50 and 1,277.91

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Solution

The fourth proportional to 3,911.33, 5,867.50 and 1,277.91 is: 1,917.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,911.33 : 5,867.50 = 1,277.91 : x
  2. Step 2: Convert to fraction form
    3,911.33/5,867.50 = 1,277.91/x
  3. Step 3: Cross multiply
    3,911.33x = 5,867.50 × 1,277.91
  4. Step 4: Simplify right side
    3,911.33x = 7,498,133.73
  5. Step 5: Solve for x
    x = 7,498,133.73/3,911.33
  6. Step 6: Final answer
    x = 1,917.03

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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.