Home / 3,766.81-5,197.89-2,173.41

Finding the Fourth Proportional to 3,766.81, 5,197.89 and 2,173.41

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Solution

The fourth proportional to 3,766.81, 5,197.89 and 2,173.41 is: 2,999.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,766.81 : 5,197.89 = 2,173.41 : x
  2. Step 2: Convert to fraction form
    3,766.81/5,197.89 = 2,173.41/x
  3. Step 3: Cross multiply
    3,766.81x = 5,197.89 × 2,173.41
  4. Step 4: Simplify right side
    3,766.81x = 11,297,146.10
  5. Step 5: Solve for x
    x = 11,297,146.10/3,766.81
  6. Step 6: Final answer
    x = 2,999.13

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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.