Home / 2,579.97-3,557.19-2,180.91

Finding the Fourth Proportional to 2,579.97, 3,557.19 and 2,180.91

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Solution

The fourth proportional to 2,579.97, 3,557.19 and 2,180.91 is: 3,006.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,579.97 : 3,557.19 = 2,180.91 : x
  2. Step 2: Convert to fraction form
    2,579.97/3,557.19 = 2,180.91/x
  3. Step 3: Cross multiply
    2,579.97x = 3,557.19 × 2,180.91
  4. Step 4: Simplify right side
    2,579.97x = 7,757,911.24
  5. Step 5: Solve for x
    x = 7,757,911.24/2,579.97
  6. Step 6: Final answer
    x = 3,006.98

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1.5x scale

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.