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Finding the Fourth Proportional to 2,867.03, 3,958.14 and 2,193.59

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Solution

The fourth proportional to 2,867.03, 3,958.14 and 2,193.59 is: 3,028.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,867.03 : 3,958.14 = 2,193.59 : x
  2. Step 2: Convert to fraction form
    2,867.03/3,958.14 = 2,193.59/x
  3. Step 3: Cross multiply
    2,867.03x = 3,958.14 × 2,193.59
  4. Step 4: Simplify right side
    2,867.03x = 8,682,516.53
  5. Step 5: Solve for x
    x = 8,682,516.53/2,867.03
  6. Step 6: Final answer
    x = 3,028.41

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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.