Home / 3,268.58-4,899.89-1,319.45

Finding the Fourth Proportional to 3,268.58, 4,899.89 and 1,319.45

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Solution

The fourth proportional to 3,268.58, 4,899.89 and 1,319.45 is: 1,977.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,268.58 : 4,899.89 = 1,319.45 : x
  2. Step 2: Convert to fraction form
    3,268.58/4,899.89 = 1,319.45/x
  3. Step 3: Cross multiply
    3,268.58x = 4,899.89 × 1,319.45
  4. Step 4: Simplify right side
    3,268.58x = 6,465,138.66
  5. Step 5: Solve for x
    x = 6,465,138.66/3,268.58
  6. Step 6: Final answer
    x = 1,977.97

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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.