Home / 3,827.24-5,281.41-2,255.42

Finding the Fourth Proportional to 3,827.24, 5,281.41 and 2,255.42

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Solution

The fourth proportional to 3,827.24, 5,281.41 and 2,255.42 is: 3,112.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,827.24 : 5,281.41 = 2,255.42 : x
  2. Step 2: Convert to fraction form
    3,827.24/5,281.41 = 2,255.42/x
  3. Step 3: Cross multiply
    3,827.24x = 5,281.41 × 2,255.42
  4. Step 4: Simplify right side
    3,827.24x = 11,911,797.74
  5. Step 5: Solve for x
    x = 11,911,797.74/3,827.24
  6. Step 6: Final answer
    x = 3,112.37

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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.