Home / 2,622.84-3,621.26-1,629.60

Finding the Fourth Proportional to 2,622.84, 3,621.26 and 1,629.60

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Solution

The fourth proportional to 2,622.84, 3,621.26 and 1,629.60 is: 2,249.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,622.84 : 3,621.26 = 1,629.60 : x
  2. Step 2: Convert to fraction form
    2,622.84/3,621.26 = 1,629.60/x
  3. Step 3: Cross multiply
    2,622.84x = 3,621.26 × 1,629.60
  4. Step 4: Simplify right side
    2,622.84x = 5,901,205.30
  5. Step 5: Solve for x
    x = 5,901,205.30/2,622.84
  6. Step 6: Final answer
    x = 2,249.93

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.