Home / 3,816.92-5,277.96-3,029.60

Finding the Fourth Proportional to 3,816.92, 5,277.96 and 3,029.60

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Solution

The fourth proportional to 3,816.92, 5,277.96 and 3,029.60 is: 4,189.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,816.92 : 5,277.96 = 3,029.60 : x
  2. Step 2: Convert to fraction form
    3,816.92/5,277.96 = 3,029.60/x
  3. Step 3: Cross multiply
    3,816.92x = 5,277.96 × 3,029.60
  4. Step 4: Simplify right side
    3,816.92x = 15,990,120.81
  5. Step 5: Solve for x
    x = 15,990,120.81/3,816.92
  6. Step 6: Final answer
    x = 4,189.27

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.