Home / 3,756.57-5,634.44-1,291.33

Finding the Fourth Proportional to 3,756.57, 5,634.44 and 1,291.33

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Solution

The fourth proportional to 3,756.57, 5,634.44 and 1,291.33 is: 1,936.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,756.57 : 5,634.44 = 1,291.33 : x
  2. Step 2: Convert to fraction form
    3,756.57/5,634.44 = 1,291.33/x
  3. Step 3: Cross multiply
    3,756.57x = 5,634.44 × 1,291.33
  4. Step 4: Simplify right side
    3,756.57x = 7,275,921.41
  5. Step 5: Solve for x
    x = 7,275,921.41/3,756.57
  6. Step 6: Final answer
    x = 1,936.85

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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.