Home / 2,629.62-3,624.68-2,577.78

Finding the Fourth Proportional to 2,629.62, 3,624.68 and 2,577.78

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Solution

The fourth proportional to 2,629.62, 3,624.68 and 2,577.78 is: 3,553.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,629.62 : 3,624.68 = 2,577.78 : x
  2. Step 2: Convert to fraction form
    2,629.62/3,624.68 = 2,577.78/x
  3. Step 3: Cross multiply
    2,629.62x = 3,624.68 × 2,577.78
  4. Step 4: Simplify right side
    2,629.62x = 9,343,627.61
  5. Step 5: Solve for x
    x = 9,343,627.61/2,629.62
  6. Step 6: Final answer
    x = 3,553.22

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.