Home / 3,290.44-4,540.88-1,798.45

Finding the Fourth Proportional to 3,290.44, 4,540.88 and 1,798.45

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Solution

The fourth proportional to 3,290.44, 4,540.88 and 1,798.45 is: 2,481.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,290.44 : 4,540.88 = 1,798.45 : x
  2. Step 2: Convert to fraction form
    3,290.44/4,540.88 = 1,798.45/x
  3. Step 3: Cross multiply
    3,290.44x = 4,540.88 × 1,798.45
  4. Step 4: Simplify right side
    3,290.44x = 8,166,553.62
  5. Step 5: Solve for x
    x = 8,166,553.62/3,290.44
  6. Step 6: Final answer
    x = 2,481.90

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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.