Home / 3,759.14-5,178.16-2,873.45

Finding the Fourth Proportional to 3,759.14, 5,178.16 and 2,873.45

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Solution

The fourth proportional to 3,759.14, 5,178.16 and 2,873.45 is: 3,958.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,759.14 : 5,178.16 = 2,873.45 : x
  2. Step 2: Convert to fraction form
    3,759.14/5,178.16 = 2,873.45/x
  3. Step 3: Cross multiply
    3,759.14x = 5,178.16 × 2,873.45
  4. Step 4: Simplify right side
    3,759.14x = 14,879,183.85
  5. Step 5: Solve for x
    x = 14,879,183.85/3,759.14
  6. Step 6: Final answer
    x = 3,958.14

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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.