Home / 3,286.81-4,535.69-1,959.83

Finding the Fourth Proportional to 3,286.81, 4,535.69 and 1,959.83

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Solution

The fourth proportional to 3,286.81, 4,535.69 and 1,959.83 is: 2,704.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,286.81 : 4,535.69 = 1,959.83 : x
  2. Step 2: Convert to fraction form
    3,286.81/4,535.69 = 1,959.83/x
  3. Step 3: Cross multiply
    3,286.81x = 4,535.69 × 1,959.83
  4. Step 4: Simplify right side
    3,286.81x = 8,889,148.86
  5. Step 5: Solve for x
    x = 8,889,148.86/3,286.81
  6. Step 6: Final answer
    x = 2,704.49

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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.