Home / 3,388.50-5,082.72-1,197.38

Finding the Fourth Proportional to 3,388.50, 5,082.72 and 1,197.38

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Solution

The fourth proportional to 3,388.50, 5,082.72 and 1,197.38 is: 1,796.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,388.50 : 5,082.72 = 1,197.38 : x
  2. Step 2: Convert to fraction form
    3,388.50/5,082.72 = 1,197.38/x
  3. Step 3: Cross multiply
    3,388.50x = 5,082.72 × 1,197.38
  4. Step 4: Simplify right side
    3,388.50x = 6,085,947.27
  5. Step 5: Solve for x
    x = 6,085,947.27/3,388.50
  6. Step 6: Final answer
    x = 1,796.06

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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.