Home / 3,408.72-5,106.70-1,943.44

Finding the Fourth Proportional to 3,408.72, 5,106.70 and 1,943.44

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Solution

The fourth proportional to 3,408.72, 5,106.70 and 1,943.44 is: 2,911.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,408.72 : 5,106.70 = 1,943.44 : x
  2. Step 2: Convert to fraction form
    3,408.72/5,106.70 = 1,943.44/x
  3. Step 3: Cross multiply
    3,408.72x = 5,106.70 × 1,943.44
  4. Step 4: Simplify right side
    3,408.72x = 9,924,565.05
  5. Step 5: Solve for x
    x = 9,924,565.05/3,408.72
  6. Step 6: Final answer
    x = 2,911.52

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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.