Home / 3,992.91-5,508.72-2,313.71

Finding the Fourth Proportional to 3,992.91, 5,508.72 and 2,313.71

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Solution

The fourth proportional to 3,992.91, 5,508.72 and 2,313.71 is: 3,192.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,992.91 : 5,508.72 = 2,313.71 : x
  2. Step 2: Convert to fraction form
    3,992.91/5,508.72 = 2,313.71/x
  3. Step 3: Cross multiply
    3,992.91x = 5,508.72 × 2,313.71
  4. Step 4: Simplify right side
    3,992.91x = 12,745,553.01
  5. Step 5: Solve for x
    x = 12,745,553.01/3,992.91
  6. Step 6: Final answer
    x = 3,192.05

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.