Home / 3,286.11-4,905.75-3,170.77

Finding the Fourth Proportional to 3,286.11, 4,905.75 and 3,170.77

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Solution

The fourth proportional to 3,286.11, 4,905.75 and 3,170.77 is: 4,733.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,286.11 : 4,905.75 = 3,170.77 : x
  2. Step 2: Convert to fraction form
    3,286.11/4,905.75 = 3,170.77/x
  3. Step 3: Cross multiply
    3,286.11x = 4,905.75 × 3,170.77
  4. Step 4: Simplify right side
    3,286.11x = 15,555,032.15
  5. Step 5: Solve for x
    x = 15,555,032.15/3,286.11
  6. Step 6: Final answer
    x = 4,733.57

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.