Home / 3,408.94-4,705.66-2,149.73

Finding the Fourth Proportional to 3,408.94, 4,705.66 and 2,149.73

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Solution

The fourth proportional to 3,408.94, 4,705.66 and 2,149.73 is: 2,967.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,408.94 : 4,705.66 = 2,149.73 : x
  2. Step 2: Convert to fraction form
    3,408.94/4,705.66 = 2,149.73/x
  3. Step 3: Cross multiply
    3,408.94x = 4,705.66 × 2,149.73
  4. Step 4: Simplify right side
    3,408.94x = 10,115,898.47
  5. Step 5: Solve for x
    x = 10,115,898.47/3,408.94
  6. Step 6: Final answer
    x = 2,967.46

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.