Home / 3,833.05-5,744.93-2,720.72

Finding the Fourth Proportional to 3,833.05, 5,744.93 and 2,720.72

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Solution

The fourth proportional to 3,833.05, 5,744.93 and 2,720.72 is: 4,077.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,833.05 : 5,744.93 = 2,720.72 : x
  2. Step 2: Convert to fraction form
    3,833.05/5,744.93 = 2,720.72/x
  3. Step 3: Cross multiply
    3,833.05x = 5,744.93 × 2,720.72
  4. Step 4: Simplify right side
    3,833.05x = 15,630,324.03
  5. Step 5: Solve for x
    x = 15,630,324.03/3,833.05
  6. Step 6: Final answer
    x = 4,077.78

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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.