Home / 3,756.28-5,636.43-2,112.94

Finding the Fourth Proportional to 3,756.28, 5,636.43 and 2,112.94

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Solution

The fourth proportional to 3,756.28, 5,636.43 and 2,112.94 is: 3,170.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,756.28 : 5,636.43 = 2,112.94 : x
  2. Step 2: Convert to fraction form
    3,756.28/5,636.43 = 2,112.94/x
  3. Step 3: Cross multiply
    3,756.28x = 5,636.43 × 2,112.94
  4. Step 4: Simplify right side
    3,756.28x = 11,909,438.40
  5. Step 5: Solve for x
    x = 11,909,438.40/3,756.28
  6. Step 6: Final answer
    x = 3,170.54

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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.