Home / 3,921.11-5,879.23-2,071.07

Finding the Fourth Proportional to 3,921.11, 5,879.23 and 2,071.07

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Solution

The fourth proportional to 3,921.11, 5,879.23 and 2,071.07 is: 3,105.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,921.11 : 5,879.23 = 2,071.07 : x
  2. Step 2: Convert to fraction form
    3,921.11/5,879.23 = 2,071.07/x
  3. Step 3: Cross multiply
    3,921.11x = 5,879.23 × 2,071.07
  4. Step 4: Simplify right side
    3,921.11x = 12,176,296.88
  5. Step 5: Solve for x
    x = 12,176,296.88/3,921.11
  6. Step 6: Final answer
    x = 3,105.32

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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.