Home / 3,067.96-4,601.76-2,140.80

Finding the Fourth Proportional to 3,067.96, 4,601.76 and 2,140.80

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Solution

The fourth proportional to 3,067.96, 4,601.76 and 2,140.80 is: 3,211.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,067.96 : 4,601.76 = 2,140.80 : x
  2. Step 2: Convert to fraction form
    3,067.96/4,601.76 = 2,140.80/x
  3. Step 3: Cross multiply
    3,067.96x = 4,601.76 × 2,140.80
  4. Step 4: Simplify right side
    3,067.96x = 9,851,447.81
  5. Step 5: Solve for x
    x = 9,851,447.81/3,067.96
  6. Step 6: Final answer
    x = 3,211.07

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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.