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Finding the Fourth Proportional to 1,571.80, 2,352.50 and 1,516.44

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Solution

The fourth proportional to 1,571.80, 2,352.50 and 1,516.44 is: 2,269.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,571.80 : 2,352.50 = 1,516.44 : x
  2. Step 2: Convert to fraction form
    1,571.80/2,352.50 = 1,516.44/x
  3. Step 3: Cross multiply
    1,571.80x = 2,352.50 × 1,516.44
  4. Step 4: Simplify right side
    1,571.80x = 3,567,425.10
  5. Step 5: Solve for x
    x = 3,567,425.10/1,571.80
  6. Step 6: Final answer
    x = 2,269.64

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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.