Home / 3,744.88-5,169.14-2,172.67

Finding the Fourth Proportional to 3,744.88, 5,169.14 and 2,172.67

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Solution

The fourth proportional to 3,744.88, 5,169.14 and 2,172.67 is: 2,998.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,744.88 : 5,169.14 = 2,172.67 : x
  2. Step 2: Convert to fraction form
    3,744.88/5,169.14 = 2,172.67/x
  3. Step 3: Cross multiply
    3,744.88x = 5,169.14 × 2,172.67
  4. Step 4: Simplify right side
    3,744.88x = 11,230,835.40
  5. Step 5: Solve for x
    x = 11,230,835.40/3,744.88
  6. Step 6: Final answer
    x = 2,998.98

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1.5x scale

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.