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Finding the Fourth Proportional to 1,340.73, 1,850.27 and 751.25

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Solution

The fourth proportional to 1,340.73, 1,850.27 and 751.25 is: 1,036.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,340.73 : 1,850.27 = 751.25 : x
  2. Step 2: Convert to fraction form
    1,340.73/1,850.27 = 751.25/x
  3. Step 3: Cross multiply
    1,340.73x = 1,850.27 × 751.25
  4. Step 4: Simplify right side
    1,340.73x = 1,390,015.34
  5. Step 5: Solve for x
    x = 1,390,015.34/1,340.73
  6. Step 6: Final answer
    x = 1,036.76

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.