Home / 3,579.43-5,369.73-1,388.02

Finding the Fourth Proportional to 3,579.43, 5,369.73 and 1,388.02

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Solution

The fourth proportional to 3,579.43, 5,369.73 and 1,388.02 is: 2,082.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,579.43 : 5,369.73 = 1,388.02 : x
  2. Step 2: Convert to fraction form
    3,579.43/5,369.73 = 1,388.02/x
  3. Step 3: Cross multiply
    3,579.43x = 5,369.73 × 1,388.02
  4. Step 4: Simplify right side
    3,579.43x = 7,453,292.63
  5. Step 5: Solve for x
    x = 7,453,292.63/3,579.43
  6. Step 6: Final answer
    x = 2,082.26

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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.