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Finding the Fourth Proportional to 3,123.55, 4,310.58 and 1,797.31

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Solution

The fourth proportional to 3,123.55, 4,310.58 and 1,797.31 is: 2,480.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,123.55 : 4,310.58 = 1,797.31 : x
  2. Step 2: Convert to fraction form
    3,123.55/4,310.58 = 1,797.31/x
  3. Step 3: Cross multiply
    3,123.55x = 4,310.58 × 1,797.31
  4. Step 4: Simplify right side
    3,123.55x = 7,747,448.54
  5. Step 5: Solve for x
    x = 7,747,448.54/3,123.55
  6. Step 6: Final answer
    x = 2,480.33

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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.