Home / 3,399.08-4,690.64-1,906.96

Finding the Fourth Proportional to 3,399.08, 4,690.64 and 1,906.96

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Solution

The fourth proportional to 3,399.08, 4,690.64 and 1,906.96 is: 2,631.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,399.08 : 4,690.64 = 1,906.96 : x
  2. Step 2: Convert to fraction form
    3,399.08/4,690.64 = 1,906.96/x
  3. Step 3: Cross multiply
    3,399.08x = 4,690.64 × 1,906.96
  4. Step 4: Simplify right side
    3,399.08x = 8,944,839.40
  5. Step 5: Solve for x
    x = 8,944,839.40/3,399.08
  6. Step 6: Final answer
    x = 2,631.55

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.