Home / 2,681.21-4,021.42-1,364.42

Finding the Fourth Proportional to 2,681.21, 4,021.42 and 1,364.42

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Solution

The fourth proportional to 2,681.21, 4,021.42 and 1,364.42 is: 2,046.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,681.21 : 4,021.42 = 1,364.42 : x
  2. Step 2: Convert to fraction form
    2,681.21/4,021.42 = 1,364.42/x
  3. Step 3: Cross multiply
    2,681.21x = 4,021.42 × 1,364.42
  4. Step 4: Simplify right side
    2,681.21x = 5,486,905.88
  5. Step 5: Solve for x
    x = 5,486,905.88/2,681.21
  6. Step 6: Final answer
    x = 2,046.43

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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.