Home / 2,418.87-3,629.93-1,553.79

Finding the Fourth Proportional to 2,418.87, 3,629.93 and 1,553.79

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Solution

The fourth proportional to 2,418.87, 3,629.93 and 1,553.79 is: 2,331.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,418.87 : 3,629.93 = 1,553.79 : x
  2. Step 2: Convert to fraction form
    2,418.87/3,629.93 = 1,553.79/x
  3. Step 3: Cross multiply
    2,418.87x = 3,629.93 × 1,553.79
  4. Step 4: Simplify right side
    2,418.87x = 5,640,141.17
  5. Step 5: Solve for x
    x = 5,640,141.17/2,418.87
  6. Step 6: Final answer
    x = 2,331.73

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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.