Home / 3,828.45-5,739.61-3,520.92

Finding the Fourth Proportional to 3,828.45, 5,739.61 and 3,520.92

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Solution

The fourth proportional to 3,828.45, 5,739.61 and 3,520.92 is: 5,278.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,828.45 : 5,739.61 = 3,520.92 : x
  2. Step 2: Convert to fraction form
    3,828.45/5,739.61 = 3,520.92/x
  3. Step 3: Cross multiply
    3,828.45x = 5,739.61 × 3,520.92
  4. Step 4: Simplify right side
    3,828.45x = 20,208,707.64
  5. Step 5: Solve for x
    x = 20,208,707.64/3,828.45
  6. Step 6: Final answer
    x = 5,278.56

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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.