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Finding the Fourth Proportional to 2,180.54, 3,010.22 and 1,485.56

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Solution

The fourth proportional to 2,180.54, 3,010.22 and 1,485.56 is: 2,050.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,180.54 : 3,010.22 = 1,485.56 : x
  2. Step 2: Convert to fraction form
    2,180.54/3,010.22 = 1,485.56/x
  3. Step 3: Cross multiply
    2,180.54x = 3,010.22 × 1,485.56
  4. Step 4: Simplify right side
    2,180.54x = 4,471,839.94
  5. Step 5: Solve for x
    x = 4,471,839.94/2,180.54
  6. Step 6: Final answer
    x = 2,050.80

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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.