Home / 2,629.41-3,629.21-1,635.45

Finding the Fourth Proportional to 2,629.41, 3,629.21 and 1,635.45

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Solution

The fourth proportional to 2,629.41, 3,629.21 and 1,635.45 is: 2,257.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,629.41 : 3,629.21 = 1,635.45 : x
  2. Step 2: Convert to fraction form
    2,629.41/3,629.21 = 1,635.45/x
  3. Step 3: Cross multiply
    2,629.41x = 3,629.21 × 1,635.45
  4. Step 4: Simplify right side
    2,629.41x = 5,935,391.49
  5. Step 5: Solve for x
    x = 5,935,391.49/2,629.41
  6. Step 6: Final answer
    x = 2,257.31

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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.