Home / 1,936.41-2,904.77-1,161.69

Finding the Fourth Proportional to 1,936.41, 2,904.77 and 1,161.69

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Solution

The fourth proportional to 1,936.41, 2,904.77 and 1,161.69 is: 1,742.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,936.41 : 2,904.77 = 1,161.69 : x
  2. Step 2: Convert to fraction form
    1,936.41/2,904.77 = 1,161.69/x
  3. Step 3: Cross multiply
    1,936.41x = 2,904.77 × 1,161.69
  4. Step 4: Simplify right side
    1,936.41x = 3,374,442.26
  5. Step 5: Solve for x
    x = 3,374,442.26/1,936.41
  6. Step 6: Final answer
    x = 1,742.63

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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.