Home / 3,391.35-5,082.57-3,305.49

Finding the Fourth Proportional to 3,391.35, 5,082.57 and 3,305.49

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Solution

The fourth proportional to 3,391.35, 5,082.57 and 3,305.49 is: 4,953.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,391.35 : 5,082.57 = 3,305.49 : x
  2. Step 2: Convert to fraction form
    3,391.35/5,082.57 = 3,305.49/x
  3. Step 3: Cross multiply
    3,391.35x = 5,082.57 × 3,305.49
  4. Step 4: Simplify right side
    3,391.35x = 16,800,384.31
  5. Step 5: Solve for x
    x = 16,800,384.31/3,391.35
  6. Step 6: Final answer
    x = 4,953.89

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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.