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Finding the Fourth Proportional to 2,751.67, 4,133.99 and 2,241.91

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Solution

The fourth proportional to 2,751.67, 4,133.99 and 2,241.91 is: 3,368.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,751.67 : 4,133.99 = 2,241.91 : x
  2. Step 2: Convert to fraction form
    2,751.67/4,133.99 = 2,241.91/x
  3. Step 3: Cross multiply
    2,751.67x = 4,133.99 × 2,241.91
  4. Step 4: Simplify right side
    2,751.67x = 9,268,033.52
  5. Step 5: Solve for x
    x = 9,268,033.52/2,751.67
  6. Step 6: Final answer
    x = 3,368.15

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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.