Home / 3,389.72-5,084.47-3,297.38

Finding the Fourth Proportional to 3,389.72, 5,084.47 and 3,297.38

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Solution

The fourth proportional to 3,389.72, 5,084.47 and 3,297.38 is: 4,945.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,389.72 : 5,084.47 = 3,297.38 : x
  2. Step 2: Convert to fraction form
    3,389.72/5,084.47 = 3,297.38/x
  3. Step 3: Cross multiply
    3,389.72x = 5,084.47 × 3,297.38
  4. Step 4: Simplify right side
    3,389.72x = 16,765,408.39
  5. Step 5: Solve for x
    x = 16,765,408.39/3,389.72
  6. Step 6: Final answer
    x = 4,945.96

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1.5x scale

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.