Home / 3,388.37-5,082.68-1,439.24

Finding the Fourth Proportional to 3,388.37, 5,082.68 and 1,439.24

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Solution

The fourth proportional to 3,388.37, 5,082.68 and 1,439.24 is: 2,158.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,388.37 : 5,082.68 = 1,439.24 : x
  2. Step 2: Convert to fraction form
    3,388.37/5,082.68 = 1,439.24/x
  3. Step 3: Cross multiply
    3,388.37x = 5,082.68 × 1,439.24
  4. Step 4: Simplify right side
    3,388.37x = 7,315,174.55
  5. Step 5: Solve for x
    x = 7,315,174.55/3,388.37
  6. Step 6: Final answer
    x = 2,158.91

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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.