Home / 3,629.94-5,447.70-2,658.60

Finding the Fourth Proportional to 3,629.94, 5,447.70 and 2,658.60

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Solution

The fourth proportional to 3,629.94, 5,447.70 and 2,658.60 is: 3,989.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,629.94 : 5,447.70 = 2,658.60 : x
  2. Step 2: Convert to fraction form
    3,629.94/5,447.70 = 2,658.60/x
  3. Step 3: Cross multiply
    3,629.94x = 5,447.70 × 2,658.60
  4. Step 4: Simplify right side
    3,629.94x = 14,483,255.22
  5. Step 5: Solve for x
    x = 14,483,255.22/3,629.94
  6. Step 6: Final answer
    x = 3,989.94

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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.