Home / 3,485.30-5,226.52-1,729.66

Finding the Fourth Proportional to 3,485.30, 5,226.52 and 1,729.66

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Solution

The fourth proportional to 3,485.30, 5,226.52 and 1,729.66 is: 2,593.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,485.30 : 5,226.52 = 1,729.66 : x
  2. Step 2: Convert to fraction form
    3,485.30/5,226.52 = 1,729.66/x
  3. Step 3: Cross multiply
    3,485.30x = 5,226.52 × 1,729.66
  4. Step 4: Simplify right side
    3,485.30x = 9,040,098.24
  5. Step 5: Solve for x
    x = 9,040,098.24/3,485.30
  6. Step 6: Final answer
    x = 2,593.78

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1.5x scale

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.