Home / 1,822.39-2,734.94-1,205.87

Finding the Fourth Proportional to 1,822.39, 2,734.94 and 1,205.87

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Solution

The fourth proportional to 1,822.39, 2,734.94 and 1,205.87 is: 1,809.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,822.39 : 2,734.94 = 1,205.87 : x
  2. Step 2: Convert to fraction form
    1,822.39/2,734.94 = 1,205.87/x
  3. Step 3: Cross multiply
    1,822.39x = 2,734.94 × 1,205.87
  4. Step 4: Simplify right side
    1,822.39x = 3,297,971.44
  5. Step 5: Solve for x
    x = 3,297,971.44/1,822.39
  6. Step 6: Final answer
    x = 1,809.70

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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.