Home / 1,755.21-2,632.82-1,205.73

Finding the Fourth Proportional to 1,755.21, 2,632.82 and 1,205.73

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Solution

The fourth proportional to 1,755.21, 2,632.82 and 1,205.73 is: 1,808.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,755.21 : 2,632.82 = 1,205.73 : x
  2. Step 2: Convert to fraction form
    1,755.21/2,632.82 = 1,205.73/x
  3. Step 3: Cross multiply
    1,755.21x = 2,632.82 × 1,205.73
  4. Step 4: Simplify right side
    1,755.21x = 3,174,464.03
  5. Step 5: Solve for x
    x = 3,174,464.03/1,755.21
  6. Step 6: Final answer
    x = 1,808.60

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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.