Home / 3,976.11-5,486.95-2,207.67

Finding the Fourth Proportional to 3,976.11, 5,486.95 and 2,207.67

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Solution

The fourth proportional to 3,976.11, 5,486.95 and 2,207.67 is: 3,046.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,976.11 : 5,486.95 = 2,207.67 : x
  2. Step 2: Convert to fraction form
    3,976.11/5,486.95 = 2,207.67/x
  3. Step 3: Cross multiply
    3,976.11x = 5,486.95 × 2,207.67
  4. Step 4: Simplify right side
    3,976.11x = 12,113,374.91
  5. Step 5: Solve for x
    x = 12,113,374.91/3,976.11
  6. Step 6: Final answer
    x = 3,046.54

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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.