Home / 3,765.12-5,195.36-2,192

Finding the Fourth Proportional to 3,765.12, 5,195.36 and 2,192

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Solution

The fourth proportional to 3,765.12, 5,195.36 and 2,192 is: 3,024.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,765.12 : 5,195.36 = 2,192 : x
  2. Step 2: Convert to fraction form
    3,765.12/5,195.36 = 2,192/x
  3. Step 3: Cross multiply
    3,765.12x = 5,195.36 × 2,192
  4. Step 4: Simplify right side
    3,765.12x = 11,388,229.12
  5. Step 5: Solve for x
    x = 11,388,229.12/3,765.12
  6. Step 6: Final answer
    x = 3,024.67

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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.