Home / 3,091.66-4,641.27-1,631.68

Finding the Fourth Proportional to 3,091.66, 4,641.27 and 1,631.68

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Solution

The fourth proportional to 3,091.66, 4,641.27 and 1,631.68 is: 2,449.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,091.66 : 4,641.27 = 1,631.68 : x
  2. Step 2: Convert to fraction form
    3,091.66/4,641.27 = 1,631.68/x
  3. Step 3: Cross multiply
    3,091.66x = 4,641.27 × 1,631.68
  4. Step 4: Simplify right side
    3,091.66x = 7,573,067.43
  5. Step 5: Solve for x
    x = 7,573,067.43/3,091.66
  6. Step 6: Final answer
    x = 2,449.51

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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.