Home / 2,135.06-3,205.32-1,161.84

Finding the Fourth Proportional to 2,135.06, 3,205.32 and 1,161.84

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Solution

The fourth proportional to 2,135.06, 3,205.32 and 1,161.84 is: 1,744.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,135.06 : 3,205.32 = 1,161.84 : x
  2. Step 2: Convert to fraction form
    2,135.06/3,205.32 = 1,161.84/x
  3. Step 3: Cross multiply
    2,135.06x = 3,205.32 × 1,161.84
  4. Step 4: Simplify right side
    2,135.06x = 3,724,083.19
  5. Step 5: Solve for x
    x = 3,724,083.19/2,135.06
  6. Step 6: Final answer
    x = 1,744.25

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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.