Home / 3,205.36-4,808.69-1,356.47

Finding the Fourth Proportional to 3,205.36, 4,808.69 and 1,356.47

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Solution

The fourth proportional to 3,205.36, 4,808.69 and 1,356.47 is: 2,034.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,205.36 : 4,808.69 = 1,356.47 : x
  2. Step 2: Convert to fraction form
    3,205.36/4,808.69 = 1,356.47/x
  3. Step 3: Cross multiply
    3,205.36x = 4,808.69 × 1,356.47
  4. Step 4: Simplify right side
    3,205.36x = 6,522,843.72
  5. Step 5: Solve for x
    x = 6,522,843.72/3,205.36
  6. Step 6: Final answer
    x = 2,034.98

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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.