Home / 2,636.20-3,638.82-1,850.44

Finding the Fourth Proportional to 2,636.20, 3,638.82 and 1,850.44

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Solution

The fourth proportional to 2,636.20, 3,638.82 and 1,850.44 is: 2,554.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,636.20 : 3,638.82 = 1,850.44 : x
  2. Step 2: Convert to fraction form
    2,636.20/3,638.82 = 1,850.44/x
  3. Step 3: Cross multiply
    2,636.20x = 3,638.82 × 1,850.44
  4. Step 4: Simplify right side
    2,636.20x = 6,733,418.08
  5. Step 5: Solve for x
    x = 6,733,418.08/2,636.20
  6. Step 6: Final answer
    x = 2,554.21

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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.