Home / 3,772.48-5,661.27-1,551.71

Finding the Fourth Proportional to 3,772.48, 5,661.27 and 1,551.71

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Solution

The fourth proportional to 3,772.48, 5,661.27 and 1,551.71 is: 2,328.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,772.48 : 5,661.27 = 1,551.71 : x
  2. Step 2: Convert to fraction form
    3,772.48/5,661.27 = 1,551.71/x
  3. Step 3: Cross multiply
    3,772.48x = 5,661.27 × 1,551.71
  4. Step 4: Simplify right side
    3,772.48x = 8,784,620.97
  5. Step 5: Solve for x
    x = 8,784,620.97/3,772.48
  6. Step 6: Final answer
    x = 2,328.61

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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.