Home / 3,485.22-5,229.54-1,636.08

Finding the Fourth Proportional to 3,485.22, 5,229.54 and 1,636.08

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Solution

The fourth proportional to 3,485.22, 5,229.54 and 1,636.08 is: 2,454.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,485.22 : 5,229.54 = 1,636.08 : x
  2. Step 2: Convert to fraction form
    3,485.22/5,229.54 = 1,636.08/x
  3. Step 3: Cross multiply
    3,485.22x = 5,229.54 × 1,636.08
  4. Step 4: Simplify right side
    3,485.22x = 8,555,945.80
  5. Step 5: Solve for x
    x = 8,555,945.80/3,485.22
  6. Step 6: Final answer
    x = 2,454.92

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.