Home / 3,744.81-5,167.98-2,173.05

Finding the Fourth Proportional to 3,744.81, 5,167.98 and 2,173.05

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Solution

The fourth proportional to 3,744.81, 5,167.98 and 2,173.05 is: 2,998.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,744.81 : 5,167.98 = 2,173.05 : x
  2. Step 2: Convert to fraction form
    3,744.81/5,167.98 = 2,173.05/x
  3. Step 3: Cross multiply
    3,744.81x = 5,167.98 × 2,173.05
  4. Step 4: Simplify right side
    3,744.81x = 11,230,278.94
  5. Step 5: Solve for x
    x = 11,230,278.94/3,744.81
  6. Step 6: Final answer
    x = 2,998.89

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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.