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Finding the Fourth Proportional to 1,763.73, 2,433.78 and 1,055.79

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Solution

The fourth proportional to 1,763.73, 2,433.78 and 1,055.79 is: 1,456.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,763.73 : 2,433.78 = 1,055.79 : x
  2. Step 2: Convert to fraction form
    1,763.73/2,433.78 = 1,055.79/x
  3. Step 3: Cross multiply
    1,763.73x = 2,433.78 × 1,055.79
  4. Step 4: Simplify right side
    1,763.73x = 2,569,560.59
  5. Step 5: Solve for x
    x = 2,569,560.59/1,763.73
  6. Step 6: Final answer
    x = 1,456.89

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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.