Home / 3,629.60-5,447.14-2,658.22

Finding the Fourth Proportional to 3,629.60, 5,447.14 and 2,658.22

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Solution

The fourth proportional to 3,629.60, 5,447.14 and 2,658.22 is: 3,989.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,629.60 : 5,447.14 = 2,658.22 : x
  2. Step 2: Convert to fraction form
    3,629.60/5,447.14 = 2,658.22/x
  3. Step 3: Cross multiply
    3,629.60x = 5,447.14 × 2,658.22
  4. Step 4: Simplify right side
    3,629.60x = 14,479,696.49
  5. Step 5: Solve for x
    x = 14,479,696.49/3,629.60
  6. Step 6: Final answer
    x = 3,989.34

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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.