Home / 3,835.22-5,290.79-2,418.26

Finding the Fourth Proportional to 3,835.22, 5,290.79 and 2,418.26

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Solution

The fourth proportional to 3,835.22, 5,290.79 and 2,418.26 is: 3,336.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,835.22 : 5,290.79 = 2,418.26 : x
  2. Step 2: Convert to fraction form
    3,835.22/5,290.79 = 2,418.26/x
  3. Step 3: Cross multiply
    3,835.22x = 5,290.79 × 2,418.26
  4. Step 4: Simplify right side
    3,835.22x = 12,794,467.28
  5. Step 5: Solve for x
    x = 12,794,467.28/3,835.22
  6. Step 6: Final answer
    x = 3,336.05

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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.