Home / 3,744.45-5,166.96-2,065.78

Finding the Fourth Proportional to 3,744.45, 5,166.96 and 2,065.78

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Solution

The fourth proportional to 3,744.45, 5,166.96 and 2,065.78 is: 2,850.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,744.45 : 5,166.96 = 2,065.78 : x
  2. Step 2: Convert to fraction form
    3,744.45/5,166.96 = 2,065.78/x
  3. Step 3: Cross multiply
    3,744.45x = 5,166.96 × 2,065.78
  4. Step 4: Simplify right side
    3,744.45x = 10,673,804.24
  5. Step 5: Solve for x
    x = 10,673,804.24/3,744.45
  6. Step 6: Final answer
    x = 2,850.56

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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.