Home / 2,861.88-4,268.87-2,394.42

Finding the Fourth Proportional to 2,861.88, 4,268.87 and 2,394.42

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Solution

The fourth proportional to 2,861.88, 4,268.87 and 2,394.42 is: 3,571.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,861.88 : 4,268.87 = 2,394.42 : x
  2. Step 2: Convert to fraction form
    2,861.88/4,268.87 = 2,394.42/x
  3. Step 3: Cross multiply
    2,861.88x = 4,268.87 × 2,394.42
  4. Step 4: Simplify right side
    2,861.88x = 10,221,455.73
  5. Step 5: Solve for x
    x = 10,221,455.73/2,861.88
  6. Step 6: Final answer
    x = 3,571.59

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.