Home / 3,966.14-5,938.26-2,989.28

Finding the Fourth Proportional to 3,966.14, 5,938.26 and 2,989.28

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Solution

The fourth proportional to 3,966.14, 5,938.26 and 2,989.28 is: 4,475.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,966.14 : 5,938.26 = 2,989.28 : x
  2. Step 2: Convert to fraction form
    3,966.14/5,938.26 = 2,989.28/x
  3. Step 3: Cross multiply
    3,966.14x = 5,938.26 × 2,989.28
  4. Step 4: Simplify right side
    3,966.14x = 17,751,121.85
  5. Step 5: Solve for x
    x = 17,751,121.85/3,966.14
  6. Step 6: Final answer
    x = 4,475.67

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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.