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Finding the Fourth Proportional to 2,912.02, 4,368.23 and 832.21

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Solution

The fourth proportional to 2,912.02, 4,368.23 and 832.21 is: 1,248.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,912.02 : 4,368.23 = 832.21 : x
  2. Step 2: Convert to fraction form
    2,912.02/4,368.23 = 832.21/x
  3. Step 3: Cross multiply
    2,912.02x = 4,368.23 × 832.21
  4. Step 4: Simplify right side
    2,912.02x = 3,635,284.69
  5. Step 5: Solve for x
    x = 3,635,284.69/2,912.02
  6. Step 6: Final answer
    x = 1,248.37

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.