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Finding the Fourth Proportional to 4,379.52, 6,042 and 2,888.20

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Solution

The fourth proportional to 4,379.52, 6,042 and 2,888.20 is: 3,984.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,379.52 : 6,042 = 2,888.20 : x
  2. Step 2: Convert to fraction form
    4,379.52/6,042 = 2,888.20/x
  3. Step 3: Cross multiply
    4,379.52x = 6,042 × 2,888.20
  4. Step 4: Simplify right side
    4,379.52x = 17,450,504.40
  5. Step 5: Solve for x
    x = 17,450,504.40/4,379.52
  6. Step 6: Final answer
    x = 3,984.57

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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.