Home / 2,579.86-3,561.68-1,794.97

Finding the Fourth Proportional to 2,579.86, 3,561.68 and 1,794.97

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Solution

The fourth proportional to 2,579.86, 3,561.68 and 1,794.97 is: 2,478.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,579.86 : 3,561.68 = 1,794.97 : x
  2. Step 2: Convert to fraction form
    2,579.86/3,561.68 = 1,794.97/x
  3. Step 3: Cross multiply
    2,579.86x = 3,561.68 × 1,794.97
  4. Step 4: Simplify right side
    2,579.86x = 6,393,108.75
  5. Step 5: Solve for x
    x = 6,393,108.75/2,579.86
  6. Step 6: Final answer
    x = 2,478.08

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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.