Home / 2,579.08-3,868.89-1,192.54

Finding the Fourth Proportional to 2,579.08, 3,868.89 and 1,192.54

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Solution

The fourth proportional to 2,579.08, 3,868.89 and 1,192.54 is: 1,788.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,579.08 : 3,868.89 = 1,192.54 : x
  2. Step 2: Convert to fraction form
    2,579.08/3,868.89 = 1,192.54/x
  3. Step 3: Cross multiply
    2,579.08x = 3,868.89 × 1,192.54
  4. Step 4: Simplify right side
    2,579.08x = 4,613,806.08
  5. Step 5: Solve for x
    x = 4,613,806.08/2,579.08
  6. Step 6: Final answer
    x = 1,788.93

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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.