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Finding the Fourth Proportional to 3,060.68, 4,223.64 and 1,663.42

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Solution

The fourth proportional to 3,060.68, 4,223.64 and 1,663.42 is: 2,295.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,060.68 : 4,223.64 = 1,663.42 : x
  2. Step 2: Convert to fraction form
    3,060.68/4,223.64 = 1,663.42/x
  3. Step 3: Cross multiply
    3,060.68x = 4,223.64 × 1,663.42
  4. Step 4: Simplify right side
    3,060.68x = 7,025,687.25
  5. Step 5: Solve for x
    x = 7,025,687.25/3,060.68
  6. Step 6: Final answer
    x = 2,295.47

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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.