Home / 3,769.44-5,656.89-2,129.19

Finding the Fourth Proportional to 3,769.44, 5,656.89 and 2,129.19

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Solution

The fourth proportional to 3,769.44, 5,656.89 and 2,129.19 is: 3,195.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,769.44 : 5,656.89 = 2,129.19 : x
  2. Step 2: Convert to fraction form
    3,769.44/5,656.89 = 2,129.19/x
  3. Step 3: Cross multiply
    3,769.44x = 5,656.89 × 2,129.19
  4. Step 4: Simplify right side
    3,769.44x = 12,044,568.41
  5. Step 5: Solve for x
    x = 12,044,568.41/3,769.44
  6. Step 6: Final answer
    x = 3,195.32

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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.