Home / 3,290.28-4,540.89-1,874.03

Finding the Fourth Proportional to 3,290.28, 4,540.89 and 1,874.03

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Solution

The fourth proportional to 3,290.28, 4,540.89 and 1,874.03 is: 2,586.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,290.28 : 4,540.89 = 1,874.03 : x
  2. Step 2: Convert to fraction form
    3,290.28/4,540.89 = 1,874.03/x
  3. Step 3: Cross multiply
    3,290.28x = 4,540.89 × 1,874.03
  4. Step 4: Simplify right side
    3,290.28x = 8,509,764.09
  5. Step 5: Solve for x
    x = 8,509,764.09/3,290.28
  6. Step 6: Final answer
    x = 2,586.33

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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.