Home / 3,704.42-5,112.58-2,111.65

Finding the Fourth Proportional to 3,704.42, 5,112.58 and 2,111.65

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Solution

The fourth proportional to 3,704.42, 5,112.58 and 2,111.65 is: 2,914.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,704.42 : 5,112.58 = 2,111.65 : x
  2. Step 2: Convert to fraction form
    3,704.42/5,112.58 = 2,111.65/x
  3. Step 3: Cross multiply
    3,704.42x = 5,112.58 × 2,111.65
  4. Step 4: Simplify right side
    3,704.42x = 10,795,961.50
  5. Step 5: Solve for x
    x = 10,795,961.50/3,704.42
  6. Step 6: Final answer
    x = 2,914.35

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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.