Home / 3,546.82-5,318.61-1,237.78

Finding the Fourth Proportional to 3,546.82, 5,318.61 and 1,237.78

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Solution

The fourth proportional to 3,546.82, 5,318.61 and 1,237.78 is: 1,856.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,546.82 : 5,318.61 = 1,237.78 : x
  2. Step 2: Convert to fraction form
    3,546.82/5,318.61 = 1,237.78/x
  3. Step 3: Cross multiply
    3,546.82x = 5,318.61 × 1,237.78
  4. Step 4: Simplify right side
    3,546.82x = 6,583,269.09
  5. Step 5: Solve for x
    x = 6,583,269.09/3,546.82
  6. Step 6: Final answer
    x = 1,856.10

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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.