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Finding the Fourth Proportional to 3,562, 5,342.28 and 1,369.96

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Solution

The fourth proportional to 3,562, 5,342.28 and 1,369.96 is: 2,054.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,562 : 5,342.28 = 1,369.96 : x
  2. Step 2: Convert to fraction form
    3,562/5,342.28 = 1,369.96/x
  3. Step 3: Cross multiply
    3,562x = 5,342.28 × 1,369.96
  4. Step 4: Simplify right side
    3,562x = 7,318,709.91
  5. Step 5: Solve for x
    x = 7,318,709.91/3,562
  6. Step 6: Final answer
    x = 2,054.66

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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.