Home / 3,388.24-5,082.36-1,539.28

Finding the Fourth Proportional to 3,388.24, 5,082.36 and 1,539.28

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Solution

The fourth proportional to 3,388.24, 5,082.36 and 1,539.28 is: 2,308.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,388.24 : 5,082.36 = 1,539.28 : x
  2. Step 2: Convert to fraction form
    3,388.24/5,082.36 = 1,539.28/x
  3. Step 3: Cross multiply
    3,388.24x = 5,082.36 × 1,539.28
  4. Step 4: Simplify right side
    3,388.24x = 7,823,175.10
  5. Step 5: Solve for x
    x = 7,823,175.10/3,388.24
  6. Step 6: Final answer
    x = 2,308.92

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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.