Home / 3,768.72-5,653.26-1,171.32

Finding the Fourth Proportional to 3,768.72, 5,653.26 and 1,171.32

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Solution

The fourth proportional to 3,768.72, 5,653.26 and 1,171.32 is: 1,757.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,768.72 : 5,653.26 = 1,171.32 : x
  2. Step 2: Convert to fraction form
    3,768.72/5,653.26 = 1,171.32/x
  3. Step 3: Cross multiply
    3,768.72x = 5,653.26 × 1,171.32
  4. Step 4: Simplify right side
    3,768.72x = 6,621,776.50
  5. Step 5: Solve for x
    x = 6,621,776.50/3,768.72
  6. Step 6: Final answer
    x = 1,757.04

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1.5x scale

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.