Home / 3,971.30-5,950.87-2,122.67

Finding the Fourth Proportional to 3,971.30, 5,950.87 and 2,122.67

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Solution

The fourth proportional to 3,971.30, 5,950.87 and 2,122.67 is: 3,180.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,971.30 : 5,950.87 = 2,122.67 : x
  2. Step 2: Convert to fraction form
    3,971.30/5,950.87 = 2,122.67/x
  3. Step 3: Cross multiply
    3,971.30x = 5,950.87 × 2,122.67
  4. Step 4: Simplify right side
    3,971.30x = 12,631,742.79
  5. Step 5: Solve for x
    x = 12,631,742.79/3,971.30
  6. Step 6: Final answer
    x = 3,180.76

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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.