Home / 3,391.58-5,086.08-1,169.78

Finding the Fourth Proportional to 3,391.58, 5,086.08 and 1,169.78

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Solution

The fourth proportional to 3,391.58, 5,086.08 and 1,169.78 is: 1,754.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,391.58 : 5,086.08 = 1,169.78 : x
  2. Step 2: Convert to fraction form
    3,391.58/5,086.08 = 1,169.78/x
  3. Step 3: Cross multiply
    3,391.58x = 5,086.08 × 1,169.78
  4. Step 4: Simplify right side
    3,391.58x = 5,949,594.66
  5. Step 5: Solve for x
    x = 5,949,594.66/3,391.58
  6. Step 6: Final answer
    x = 1,754.23

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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.