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Finding the Fourth Proportional to 2,102.25, 3,153.47 and 563.25

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Solution

The fourth proportional to 2,102.25, 3,153.47 and 563.25 is: 844.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,102.25 : 3,153.47 = 563.25 : x
  2. Step 2: Convert to fraction form
    2,102.25/3,153.47 = 563.25/x
  3. Step 3: Cross multiply
    2,102.25x = 3,153.47 × 563.25
  4. Step 4: Simplify right side
    2,102.25x = 1,776,189.16
  5. Step 5: Solve for x
    x = 1,776,189.16/2,102.25
  6. Step 6: Final answer
    x = 844.90

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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.