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Finding the Fourth Proportional to 2,362.26, 3,542.21 and 880.98

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Solution

The fourth proportional to 2,362.26, 3,542.21 and 880.98 is: 1,321.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,362.26 : 3,542.21 = 880.98 : x
  2. Step 2: Convert to fraction form
    2,362.26/3,542.21 = 880.98/x
  3. Step 3: Cross multiply
    2,362.26x = 3,542.21 × 880.98
  4. Step 4: Simplify right side
    2,362.26x = 3,120,616.17
  5. Step 5: Solve for x
    x = 3,120,616.17/2,362.26
  6. Step 6: Final answer
    x = 1,321.03

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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.