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Finding the Fourth Proportional to 1,351.41, 1,852.78 and 1,326.81

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Solution

The fourth proportional to 1,351.41, 1,852.78 and 1,326.81 is: 1,819.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,351.41 : 1,852.78 = 1,326.81 : x
  2. Step 2: Convert to fraction form
    1,351.41/1,852.78 = 1,326.81/x
  3. Step 3: Cross multiply
    1,351.41x = 1,852.78 × 1,326.81
  4. Step 4: Simplify right side
    1,351.41x = 2,458,287.03
  5. Step 5: Solve for x
    x = 2,458,287.03/1,351.41
  6. Step 6: Final answer
    x = 1,819.05

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These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.