Home / 3,756.73-5,635.47-1,291.22

Finding the Fourth Proportional to 3,756.73, 5,635.47 and 1,291.22

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Solution

The fourth proportional to 3,756.73, 5,635.47 and 1,291.22 is: 1,936.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,756.73 : 5,635.47 = 1,291.22 : x
  2. Step 2: Convert to fraction form
    3,756.73/5,635.47 = 1,291.22/x
  3. Step 3: Cross multiply
    3,756.73x = 5,635.47 × 1,291.22
  4. Step 4: Simplify right side
    3,756.73x = 7,276,661.07
  5. Step 5: Solve for x
    x = 7,276,661.07/3,756.73
  6. Step 6: Final answer
    x = 1,936.97

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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.