Home / 3,786.66-5,681.91-2,867.85

Finding the Fourth Proportional to 3,786.66, 5,681.91 and 2,867.85

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Solution

The fourth proportional to 3,786.66, 5,681.91 and 2,867.85 is: 4,303.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,786.66 : 5,681.91 = 2,867.85 : x
  2. Step 2: Convert to fraction form
    3,786.66/5,681.91 = 2,867.85/x
  3. Step 3: Cross multiply
    3,786.66x = 5,681.91 × 2,867.85
  4. Step 4: Simplify right side
    3,786.66x = 16,294,865.59
  5. Step 5: Solve for x
    x = 16,294,865.59/3,786.66
  6. Step 6: Final answer
    x = 4,303.23

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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.