Home / 3,949.07-5,917.12-1,350.59

Finding the Fourth Proportional to 3,949.07, 5,917.12 and 1,350.59

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Solution

The fourth proportional to 3,949.07, 5,917.12 and 1,350.59 is: 2,023.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,949.07 : 5,917.12 = 1,350.59 : x
  2. Step 2: Convert to fraction form
    3,949.07/5,917.12 = 1,350.59/x
  3. Step 3: Cross multiply
    3,949.07x = 5,917.12 × 1,350.59
  4. Step 4: Simplify right side
    3,949.07x = 7,991,603.10
  5. Step 5: Solve for x
    x = 7,991,603.10/3,949.07
  6. Step 6: Final answer
    x = 2,023.67

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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.