Home / 3,386.76-5,067.38-2,000.86

Finding the Fourth Proportional to 3,386.76, 5,067.38 and 2,000.86

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Solution

The fourth proportional to 3,386.76, 5,067.38 and 2,000.86 is: 2,993.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,386.76 : 5,067.38 = 2,000.86 : x
  2. Step 2: Convert to fraction form
    3,386.76/5,067.38 = 2,000.86/x
  3. Step 3: Cross multiply
    3,386.76x = 5,067.38 × 2,000.86
  4. Step 4: Simplify right side
    3,386.76x = 10,139,117.95
  5. Step 5: Solve for x
    x = 10,139,117.95/3,386.76
  6. Step 6: Final answer
    x = 2,993.75

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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.