Home / 3,408.24-4,705.38-3,211.41

Finding the Fourth Proportional to 3,408.24, 4,705.38 and 3,211.41

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Solution

The fourth proportional to 3,408.24, 4,705.38 and 3,211.41 is: 4,433.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,408.24 : 4,705.38 = 3,211.41 : x
  2. Step 2: Convert to fraction form
    3,408.24/4,705.38 = 3,211.41/x
  3. Step 3: Cross multiply
    3,408.24x = 4,705.38 × 3,211.41
  4. Step 4: Simplify right side
    3,408.24x = 15,110,904.39
  5. Step 5: Solve for x
    x = 15,110,904.39/3,408.24
  6. Step 6: Final answer
    x = 4,433.64

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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.