Home / 3,947.25-5,920.92-1,173.85

Finding the Fourth Proportional to 3,947.25, 5,920.92 and 1,173.85

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Solution

The fourth proportional to 3,947.25, 5,920.92 and 1,173.85 is: 1,760.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,947.25 : 5,920.92 = 1,173.85 : x
  2. Step 2: Convert to fraction form
    3,947.25/5,920.92 = 1,173.85/x
  3. Step 3: Cross multiply
    3,947.25x = 5,920.92 × 1,173.85
  4. Step 4: Simplify right side
    3,947.25x = 6,950,271.94
  5. Step 5: Solve for x
    x = 6,950,271.94/3,947.25
  6. Step 6: Final answer
    x = 1,760.79

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1.5x scale

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.