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Finding the Fourth Proportional to 1,445.00, 2,163.24 and 895.41

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Solution

The fourth proportional to 1,445.00, 2,163.24 and 895.41 is: 1,340.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,445.00 : 2,163.24 = 895.41 : x
  2. Step 2: Convert to fraction form
    1,445.00/2,163.24 = 895.41/x
  3. Step 3: Cross multiply
    1,445.00x = 2,163.24 × 895.41
  4. Step 4: Simplify right side
    1,445.00x = 1,936,986.73
  5. Step 5: Solve for x
    x = 1,936,986.73/1,445.00
  6. Step 6: Final answer
    x = 1,340.48

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Why These Related Problems?

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