Home / 3,290.30-4,540.63-1,798.19

Finding the Fourth Proportional to 3,290.30, 4,540.63 and 1,798.19

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Solution

The fourth proportional to 3,290.30, 4,540.63 and 1,798.19 is: 2,481.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,290.30 : 4,540.63 = 1,798.19 : x
  2. Step 2: Convert to fraction form
    3,290.30/4,540.63 = 1,798.19/x
  3. Step 3: Cross multiply
    3,290.30x = 4,540.63 × 1,798.19
  4. Step 4: Simplify right side
    3,290.30x = 8,164,922.32
  5. Step 5: Solve for x
    x = 8,164,922.32/3,290.30
  6. Step 6: Final answer
    x = 2,481.51

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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.