Home / 3,760.15-5,191.08-2,268.45

Finding the Fourth Proportional to 3,760.15, 5,191.08 and 2,268.45

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Solution

The fourth proportional to 3,760.15, 5,191.08 and 2,268.45 is: 3,131.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,760.15 : 5,191.08 = 2,268.45 : x
  2. Step 2: Convert to fraction form
    3,760.15/5,191.08 = 2,268.45/x
  3. Step 3: Cross multiply
    3,760.15x = 5,191.08 × 2,268.45
  4. Step 4: Simplify right side
    3,760.15x = 11,775,705.43
  5. Step 5: Solve for x
    x = 11,775,705.43/3,760.15
  6. Step 6: Final answer
    x = 3,131.71

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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.