Home / 3,949.18-5,919.81-1,350.34

Finding the Fourth Proportional to 3,949.18, 5,919.81 and 1,350.34

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Solution

The fourth proportional to 3,949.18, 5,919.81 and 1,350.34 is: 2,024.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,949.18 : 5,919.81 = 1,350.34 : x
  2. Step 2: Convert to fraction form
    3,949.18/5,919.81 = 1,350.34/x
  3. Step 3: Cross multiply
    3,949.18x = 5,919.81 × 1,350.34
  4. Step 4: Simplify right side
    3,949.18x = 7,993,756.24
  5. Step 5: Solve for x
    x = 7,993,756.24/3,949.18
  6. Step 6: Final answer
    x = 2,024.16

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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.