Home / 2,850.40-4,268.31-2,524.78

Finding the Fourth Proportional to 2,850.40, 4,268.31 and 2,524.78

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Solution

The fourth proportional to 2,850.40, 4,268.31 and 2,524.78 is: 3,780.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,850.40 : 4,268.31 = 2,524.78 : x
  2. Step 2: Convert to fraction form
    2,850.40/4,268.31 = 2,524.78/x
  3. Step 3: Cross multiply
    2,850.40x = 4,268.31 × 2,524.78
  4. Step 4: Simplify right side
    2,850.40x = 10,776,543.72
  5. Step 5: Solve for x
    x = 10,776,543.72/2,850.40
  6. Step 6: Final answer
    x = 3,780.71

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.