Home / 3,546.37-5,318.15-1,205.90

Finding the Fourth Proportional to 3,546.37, 5,318.15 and 1,205.90

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Solution

The fourth proportional to 3,546.37, 5,318.15 and 1,205.90 is: 1,808.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,546.37 : 5,318.15 = 1,205.90 : x
  2. Step 2: Convert to fraction form
    3,546.37/5,318.15 = 1,205.90/x
  3. Step 3: Cross multiply
    3,546.37x = 5,318.15 × 1,205.90
  4. Step 4: Simplify right side
    3,546.37x = 6,413,151.06
  5. Step 5: Solve for x
    x = 6,413,151.06/3,546.37
  6. Step 6: Final answer
    x = 1,808.37

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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.