Home / 3,391.82-4,680.58-1,975.56

Finding the Fourth Proportional to 3,391.82, 4,680.58 and 1,975.56

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Solution

The fourth proportional to 3,391.82, 4,680.58 and 1,975.56 is: 2,726.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,391.82 : 4,680.58 = 1,975.56 : x
  2. Step 2: Convert to fraction form
    3,391.82/4,680.58 = 1,975.56/x
  3. Step 3: Cross multiply
    3,391.82x = 4,680.58 × 1,975.56
  4. Step 4: Simplify right side
    3,391.82x = 9,246,766.62
  5. Step 5: Solve for x
    x = 9,246,766.62/3,391.82
  6. Step 6: Final answer
    x = 2,726.20

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.