Home / 3,161.75-4,362.44-1,967.67

Finding the Fourth Proportional to 3,161.75, 4,362.44 and 1,967.67

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Solution

The fourth proportional to 3,161.75, 4,362.44 and 1,967.67 is: 2,714.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,161.75 : 4,362.44 = 1,967.67 : x
  2. Step 2: Convert to fraction form
    3,161.75/4,362.44 = 1,967.67/x
  3. Step 3: Cross multiply
    3,161.75x = 4,362.44 × 1,967.67
  4. Step 4: Simplify right side
    3,161.75x = 8,583,832.48
  5. Step 5: Solve for x
    x = 8,583,832.48/3,161.75
  6. Step 6: Final answer
    x = 2,714.90

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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.