Home / 3,205.08-4,807.61-1,355.71

Finding the Fourth Proportional to 3,205.08, 4,807.61 and 1,355.71

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Solution

The fourth proportional to 3,205.08, 4,807.61 and 1,355.71 is: 2,033.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,205.08 : 4,807.61 = 1,355.71 : x
  2. Step 2: Convert to fraction form
    3,205.08/4,807.61 = 1,355.71/x
  3. Step 3: Cross multiply
    3,205.08x = 4,807.61 × 1,355.71
  4. Step 4: Simplify right side
    3,205.08x = 6,517,724.95
  5. Step 5: Solve for x
    x = 6,517,724.95/3,205.08
  6. Step 6: Final answer
    x = 2,033.56

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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.