Home / 3,744.78-5,168.52-2,173.11

Finding the Fourth Proportional to 3,744.78, 5,168.52 and 2,173.11

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Solution

The fourth proportional to 3,744.78, 5,168.52 and 2,173.11 is: 2,999.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,744.78 : 5,168.52 = 2,173.11 : x
  2. Step 2: Convert to fraction form
    3,744.78/5,168.52 = 2,173.11/x
  3. Step 3: Cross multiply
    3,744.78x = 5,168.52 × 2,173.11
  4. Step 4: Simplify right side
    3,744.78x = 11,231,762.50
  5. Step 5: Solve for x
    x = 11,231,762.50/3,744.78
  6. Step 6: Final answer
    x = 2,999.31

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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.