Home / 3,260.30-4,891.37-1,284.71

Finding the Fourth Proportional to 3,260.30, 4,891.37 and 1,284.71

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Solution

The fourth proportional to 3,260.30, 4,891.37 and 1,284.71 is: 1,927.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,260.30 : 4,891.37 = 1,284.71 : x
  2. Step 2: Convert to fraction form
    3,260.30/4,891.37 = 1,284.71/x
  3. Step 3: Cross multiply
    3,260.30x = 4,891.37 × 1,284.71
  4. Step 4: Simplify right side
    3,260.30x = 6,283,961.07
  5. Step 5: Solve for x
    x = 6,283,961.07/3,260.30
  6. Step 6: Final answer
    x = 1,927.42

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.