Home / 3,290.57-4,540.99-1,798.50

Finding the Fourth Proportional to 3,290.57, 4,540.99 and 1,798.50

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Solution

The fourth proportional to 3,290.57, 4,540.99 and 1,798.50 is: 2,481.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,290.57 : 4,540.99 = 1,798.50 : x
  2. Step 2: Convert to fraction form
    3,290.57/4,540.99 = 1,798.50/x
  3. Step 3: Cross multiply
    3,290.57x = 4,540.99 × 1,798.50
  4. Step 4: Simplify right side
    3,290.57x = 8,166,986.36
  5. Step 5: Solve for x
    x = 8,166,986.36/3,290.57
  6. Step 6: Final answer
    x = 2,481.94

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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.