Home / 3,789.42-5,685.30-1,941.84

Finding the Fourth Proportional to 3,789.42, 5,685.30 and 1,941.84

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Solution

The fourth proportional to 3,789.42, 5,685.30 and 1,941.84 is: 2,913.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,789.42 : 5,685.30 = 1,941.84 : x
  2. Step 2: Convert to fraction form
    3,789.42/5,685.30 = 1,941.84/x
  3. Step 3: Cross multiply
    3,789.42x = 5,685.30 × 1,941.84
  4. Step 4: Simplify right side
    3,789.42x = 11,039,942.95
  5. Step 5: Solve for x
    x = 11,039,942.95/3,789.42
  6. Step 6: Final answer
    x = 2,913.36

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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.