Home / 3,103.29-4,269.81-2,682.27

Finding the Fourth Proportional to 3,103.29, 4,269.81 and 2,682.27

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Solution

The fourth proportional to 3,103.29, 4,269.81 and 2,682.27 is: 3,690.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,103.29 : 4,269.81 = 2,682.27 : x
  2. Step 2: Convert to fraction form
    3,103.29/4,269.81 = 2,682.27/x
  3. Step 3: Cross multiply
    3,103.29x = 4,269.81 × 2,682.27
  4. Step 4: Simplify right side
    3,103.29x = 11,452,783.27
  5. Step 5: Solve for x
    x = 11,452,783.27/3,103.29
  6. Step 6: Final answer
    x = 3,690.53

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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.