Home / 3,721.26-5,580.24-1,872.03

Finding the Fourth Proportional to 3,721.26, 5,580.24 and 1,872.03

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Solution

The fourth proportional to 3,721.26, 5,580.24 and 1,872.03 is: 2,807.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,721.26 : 5,580.24 = 1,872.03 : x
  2. Step 2: Convert to fraction form
    3,721.26/5,580.24 = 1,872.03/x
  3. Step 3: Cross multiply
    3,721.26x = 5,580.24 × 1,872.03
  4. Step 4: Simplify right side
    3,721.26x = 10,446,376.69
  5. Step 5: Solve for x
    x = 10,446,376.69/3,721.26
  6. Step 6: Final answer
    x = 2,807.21

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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.