Home / 3,814.45-5,268.96-2,928.73

Finding the Fourth Proportional to 3,814.45, 5,268.96 and 2,928.73

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Solution

The fourth proportional to 3,814.45, 5,268.96 and 2,928.73 is: 4,045.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,814.45 : 5,268.96 = 2,928.73 : x
  2. Step 2: Convert to fraction form
    3,814.45/5,268.96 = 2,928.73/x
  3. Step 3: Cross multiply
    3,814.45x = 5,268.96 × 2,928.73
  4. Step 4: Simplify right side
    3,814.45x = 15,431,361.22
  5. Step 5: Solve for x
    x = 15,431,361.22/3,814.45
  6. Step 6: Final answer
    x = 4,045.50

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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.