Home / 2,388.08-3,579.68-1,153.68

Finding the Fourth Proportional to 2,388.08, 3,579.68 and 1,153.68

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Solution

The fourth proportional to 2,388.08, 3,579.68 and 1,153.68 is: 1,729.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,388.08 : 3,579.68 = 1,153.68 : x
  2. Step 2: Convert to fraction form
    2,388.08/3,579.68 = 1,153.68/x
  3. Step 3: Cross multiply
    2,388.08x = 3,579.68 × 1,153.68
  4. Step 4: Simplify right side
    2,388.08x = 4,129,805.22
  5. Step 5: Solve for x
    x = 4,129,805.22/2,388.08
  6. Step 6: Final answer
    x = 1,729.34

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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.