Home / 3,992.19-5,508.96-2,313.66

Finding the Fourth Proportional to 3,992.19, 5,508.96 and 2,313.66

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Solution

The fourth proportional to 3,992.19, 5,508.96 and 2,313.66 is: 3,192.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,992.19 : 5,508.96 = 2,313.66 : x
  2. Step 2: Convert to fraction form
    3,992.19/5,508.96 = 2,313.66/x
  3. Step 3: Cross multiply
    3,992.19x = 5,508.96 × 2,313.66
  4. Step 4: Simplify right side
    3,992.19x = 12,745,885.39
  5. Step 5: Solve for x
    x = 12,745,885.39/3,992.19
  6. Step 6: Final answer
    x = 3,192.71

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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.