Home / 3,691.06-5,082.78-3,297.94

Finding the Fourth Proportional to 3,691.06, 5,082.78 and 3,297.94

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Solution

The fourth proportional to 3,691.06, 5,082.78 and 3,297.94 is: 4,541.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,691.06 : 5,082.78 = 3,297.94 : x
  2. Step 2: Convert to fraction form
    3,691.06/5,082.78 = 3,297.94/x
  3. Step 3: Cross multiply
    3,691.06x = 5,082.78 × 3,297.94
  4. Step 4: Simplify right side
    3,691.06x = 16,762,697.46
  5. Step 5: Solve for x
    x = 16,762,697.46/3,691.06
  6. Step 6: Final answer
    x = 4,541.43

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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.