Home / 3,408.81-5,114.43-1,949.19

Finding the Fourth Proportional to 3,408.81, 5,114.43 and 1,949.19

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Solution

The fourth proportional to 3,408.81, 5,114.43 and 1,949.19 is: 2,924.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,408.81 : 5,114.43 = 1,949.19 : x
  2. Step 2: Convert to fraction form
    3,408.81/5,114.43 = 1,949.19/x
  3. Step 3: Cross multiply
    3,408.81x = 5,114.43 × 1,949.19
  4. Step 4: Simplify right side
    3,408.81x = 9,968,995.81
  5. Step 5: Solve for x
    x = 9,968,995.81/3,408.81
  6. Step 6: Final answer
    x = 2,924.48

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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.