Home / 3,847.68-5,771.94-1,656.60

Finding the Fourth Proportional to 3,847.68, 5,771.94 and 1,656.60

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Solution

The fourth proportional to 3,847.68, 5,771.94 and 1,656.60 is: 2,485.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,847.68 : 5,771.94 = 1,656.60 : x
  2. Step 2: Convert to fraction form
    3,847.68/5,771.94 = 1,656.60/x
  3. Step 3: Cross multiply
    3,847.68x = 5,771.94 × 1,656.60
  4. Step 4: Simplify right side
    3,847.68x = 9,561,795.80
  5. Step 5: Solve for x
    x = 9,561,795.80/3,847.68
  6. Step 6: Final answer
    x = 2,485.08

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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.