Home / 3,600.80-5,399.84-1,651.64

Finding the Fourth Proportional to 3,600.80, 5,399.84 and 1,651.64

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Solution

The fourth proportional to 3,600.80, 5,399.84 and 1,651.64 is: 2,476.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,600.80 : 5,399.84 = 1,651.64 : x
  2. Step 2: Convert to fraction form
    3,600.80/5,399.84 = 1,651.64/x
  3. Step 3: Cross multiply
    3,600.80x = 5,399.84 × 1,651.64
  4. Step 4: Simplify right side
    3,600.80x = 8,918,594.60
  5. Step 5: Solve for x
    x = 8,918,594.60/3,600.80
  6. Step 6: Final answer
    x = 2,476.83

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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.