Home / 3,150.25-4,726.22-2,805.95

Finding the Fourth Proportional to 3,150.25, 4,726.22 and 2,805.95

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Solution

The fourth proportional to 3,150.25, 4,726.22 and 2,805.95 is: 4,209.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,150.25 : 4,726.22 = 2,805.95 : x
  2. Step 2: Convert to fraction form
    3,150.25/4,726.22 = 2,805.95/x
  3. Step 3: Cross multiply
    3,150.25x = 4,726.22 × 2,805.95
  4. Step 4: Simplify right side
    3,150.25x = 13,261,537.01
  5. Step 5: Solve for x
    x = 13,261,537.01/3,150.25
  6. Step 6: Final answer
    x = 4,209.68

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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.