Home / 3,571.61-5,353.52-1,721.43

Finding the Fourth Proportional to 3,571.61, 5,353.52 and 1,721.43

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Solution

The fourth proportional to 3,571.61, 5,353.52 and 1,721.43 is: 2,580.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,571.61 : 5,353.52 = 1,721.43 : x
  2. Step 2: Convert to fraction form
    3,571.61/5,353.52 = 1,721.43/x
  3. Step 3: Cross multiply
    3,571.61x = 5,353.52 × 1,721.43
  4. Step 4: Simplify right side
    3,571.61x = 9,215,701.33
  5. Step 5: Solve for x
    x = 9,215,701.33/3,571.61
  6. Step 6: Final answer
    x = 2,580.27

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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.