Home / 2,351.42-3,241.97-1,680.03

Finding the Fourth Proportional to 2,351.42, 3,241.97 and 1,680.03

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Solution

The fourth proportional to 2,351.42, 3,241.97 and 1,680.03 is: 2,316.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,351.42 : 3,241.97 = 1,680.03 : x
  2. Step 2: Convert to fraction form
    2,351.42/3,241.97 = 1,680.03/x
  3. Step 3: Cross multiply
    2,351.42x = 3,241.97 × 1,680.03
  4. Step 4: Simplify right side
    2,351.42x = 5,446,598.46
  5. Step 5: Solve for x
    x = 5,446,598.46/2,351.42
  6. Step 6: Final answer
    x = 2,316.31

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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.