Home / 3,786.61-5,225.16-2,792.43

Finding the Fourth Proportional to 3,786.61, 5,225.16 and 2,792.43

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Solution

The fourth proportional to 3,786.61, 5,225.16 and 2,792.43 is: 3,853.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,786.61 : 5,225.16 = 2,792.43 : x
  2. Step 2: Convert to fraction form
    3,786.61/5,225.16 = 2,792.43/x
  3. Step 3: Cross multiply
    3,786.61x = 5,225.16 × 2,792.43
  4. Step 4: Simplify right side
    3,786.61x = 14,590,867.41
  5. Step 5: Solve for x
    x = 14,590,867.41/3,786.61
  6. Step 6: Final answer
    x = 3,853.28

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.