Home / 3,721.91-5,581.94-2,555.51

Finding the Fourth Proportional to 3,721.91, 5,581.94 and 2,555.51

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Solution

The fourth proportional to 3,721.91, 5,581.94 and 2,555.51 is: 3,832.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,721.91 : 5,581.94 = 2,555.51 : x
  2. Step 2: Convert to fraction form
    3,721.91/5,581.94 = 2,555.51/x
  3. Step 3: Cross multiply
    3,721.91x = 5,581.94 × 2,555.51
  4. Step 4: Simplify right side
    3,721.91x = 14,264,662.80
  5. Step 5: Solve for x
    x = 14,264,662.80/3,721.91
  6. Step 6: Final answer
    x = 3,832.62

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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.