Home / 3,290.44-4,540.74-1,798.30

Finding the Fourth Proportional to 3,290.44, 4,540.74 and 1,798.30

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Solution

The fourth proportional to 3,290.44, 4,540.74 and 1,798.30 is: 2,481.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,290.44 : 4,540.74 = 1,798.30 : x
  2. Step 2: Convert to fraction form
    3,290.44/4,540.74 = 1,798.30/x
  3. Step 3: Cross multiply
    3,290.44x = 4,540.74 × 1,798.30
  4. Step 4: Simplify right side
    3,290.44x = 8,165,612.74
  5. Step 5: Solve for x
    x = 8,165,612.74/3,290.44
  6. Step 6: Final answer
    x = 2,481.62

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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.