Home / 3,721.75-5,578.37-1,527.77

Finding the Fourth Proportional to 3,721.75, 5,578.37 and 1,527.77

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Solution

The fourth proportional to 3,721.75, 5,578.37 and 1,527.77 is: 2,289.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,721.75 : 5,578.37 = 1,527.77 : x
  2. Step 2: Convert to fraction form
    3,721.75/5,578.37 = 1,527.77/x
  3. Step 3: Cross multiply
    3,721.75x = 5,578.37 × 1,527.77
  4. Step 4: Simplify right side
    3,721.75x = 8,522,466.33
  5. Step 5: Solve for x
    x = 8,522,466.33/3,721.75
  6. Step 6: Final answer
    x = 2,289.91

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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.