Home / 3,982.51-5,961.30-2,742.67

Finding the Fourth Proportional to 3,982.51, 5,961.30 and 2,742.67

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Solution

The fourth proportional to 3,982.51, 5,961.30 and 2,742.67 is: 4,105.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,982.51 : 5,961.30 = 2,742.67 : x
  2. Step 2: Convert to fraction form
    3,982.51/5,961.30 = 2,742.67/x
  3. Step 3: Cross multiply
    3,982.51x = 5,961.30 × 2,742.67
  4. Step 4: Simplify right side
    3,982.51x = 16,349,878.67
  5. Step 5: Solve for x
    x = 16,349,878.67/3,982.51
  6. Step 6: Final answer
    x = 4,105.42

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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.