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Finding the Fourth Proportional to 3,930.54, 5,893.93 and 2,287.54

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Solution

The fourth proportional to 3,930.54, 5,893.93 and 2,287.54 is: 3,430.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,930.54 : 5,893.93 = 2,287.54 : x
  2. Step 2: Convert to fraction form
    3,930.54/5,893.93 = 2,287.54/x
  3. Step 3: Cross multiply
    3,930.54x = 5,893.93 × 2,287.54
  4. Step 4: Simplify right side
    3,930.54x = 13,482,600.63
  5. Step 5: Solve for x
    x = 13,482,600.63/3,930.54
  6. Step 6: Final answer
    x = 3,430.22

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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.