Home / 2,231.42-3,340.94-1,681.96

Finding the Fourth Proportional to 2,231.42, 3,340.94 and 1,681.96

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Solution

The fourth proportional to 2,231.42, 3,340.94 and 1,681.96 is: 2,518.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,231.42 : 3,340.94 = 1,681.96 : x
  2. Step 2: Convert to fraction form
    2,231.42/3,340.94 = 1,681.96/x
  3. Step 3: Cross multiply
    2,231.42x = 3,340.94 × 1,681.96
  4. Step 4: Simplify right side
    2,231.42x = 5,619,327.44
  5. Step 5: Solve for x
    x = 5,619,327.44/2,231.42
  6. Step 6: Final answer
    x = 2,518.27

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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.