Home / 3,769.76-5,653.68-1,171.36

Finding the Fourth Proportional to 3,769.76, 5,653.68 and 1,171.36

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Solution

The fourth proportional to 3,769.76, 5,653.68 and 1,171.36 is: 1,756.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,769.76 : 5,653.68 = 1,171.36 : x
  2. Step 2: Convert to fraction form
    3,769.76/5,653.68 = 1,171.36/x
  3. Step 3: Cross multiply
    3,769.76x = 5,653.68 × 1,171.36
  4. Step 4: Simplify right side
    3,769.76x = 6,622,494.60
  5. Step 5: Solve for x
    x = 6,622,494.60/3,769.76
  6. Step 6: Final answer
    x = 1,756.74

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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.