Home / 3,290.43-4,540.80-1,874.06

Finding the Fourth Proportional to 3,290.43, 4,540.80 and 1,874.06

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Solution

The fourth proportional to 3,290.43, 4,540.80 and 1,874.06 is: 2,586.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,290.43 : 4,540.80 = 1,874.06 : x
  2. Step 2: Convert to fraction form
    3,290.43/4,540.80 = 1,874.06/x
  3. Step 3: Cross multiply
    3,290.43x = 4,540.80 × 1,874.06
  4. Step 4: Simplify right side
    3,290.43x = 8,509,708.94
  5. Step 5: Solve for x
    x = 8,509,708.94/3,290.43
  6. Step 6: Final answer
    x = 2,586.20

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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.