Home / 3,272.39-4,907.26-1,191.90

Finding the Fourth Proportional to 3,272.39, 4,907.26 and 1,191.90

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Solution

The fourth proportional to 3,272.39, 4,907.26 and 1,191.90 is: 1,787.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,272.39 : 4,907.26 = 1,191.90 : x
  2. Step 2: Convert to fraction form
    3,272.39/4,907.26 = 1,191.90/x
  3. Step 3: Cross multiply
    3,272.39x = 4,907.26 × 1,191.90
  4. Step 4: Simplify right side
    3,272.39x = 5,848,963.19
  5. Step 5: Solve for x
    x = 5,848,963.19/3,272.39
  6. Step 6: Final answer
    x = 1,787.37

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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.