Home / 3,782.62-5,674.34-1,150.12

Finding the Fourth Proportional to 3,782.62, 5,674.34 and 1,150.12

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Solution

The fourth proportional to 3,782.62, 5,674.34 and 1,150.12 is: 1,725.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,782.62 : 5,674.34 = 1,150.12 : x
  2. Step 2: Convert to fraction form
    3,782.62/5,674.34 = 1,150.12/x
  3. Step 3: Cross multiply
    3,782.62x = 5,674.34 × 1,150.12
  4. Step 4: Simplify right side
    3,782.62x = 6,526,171.92
  5. Step 5: Solve for x
    x = 6,526,171.92/3,782.62
  6. Step 6: Final answer
    x = 1,725.30

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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.