Home / 2,936.10-4,405.44-1,086.82

Finding the Fourth Proportional to 2,936.10, 4,405.44 and 1,086.82

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Solution

The fourth proportional to 2,936.10, 4,405.44 and 1,086.82 is: 1,630.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,936.10 : 4,405.44 = 1,086.82 : x
  2. Step 2: Convert to fraction form
    2,936.10/4,405.44 = 1,086.82/x
  3. Step 3: Cross multiply
    2,936.10x = 4,405.44 × 1,086.82
  4. Step 4: Simplify right side
    2,936.10x = 4,787,907.25
  5. Step 5: Solve for x
    x = 4,787,907.25/2,936.10
  6. Step 6: Final answer
    x = 1,630.70

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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.