Home / 2,942.42-4,059.89-1,683.88

Finding the Fourth Proportional to 2,942.42, 4,059.89 and 1,683.88

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Solution

The fourth proportional to 2,942.42, 4,059.89 and 1,683.88 is: 2,323.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,942.42 : 4,059.89 = 1,683.88 : x
  2. Step 2: Convert to fraction form
    2,942.42/4,059.89 = 1,683.88/x
  3. Step 3: Cross multiply
    2,942.42x = 4,059.89 × 1,683.88
  4. Step 4: Simplify right side
    2,942.42x = 6,836,361.63
  5. Step 5: Solve for x
    x = 6,836,361.63/2,942.42
  6. Step 6: Final answer
    x = 2,323.38

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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.