Home / 2,623.67-3,936.82-1,636.23

Finding the Fourth Proportional to 2,623.67, 3,936.82 and 1,636.23

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Solution

The fourth proportional to 2,623.67, 3,936.82 and 1,636.23 is: 2,455.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,623.67 : 3,936.82 = 1,636.23 : x
  2. Step 2: Convert to fraction form
    2,623.67/3,936.82 = 1,636.23/x
  3. Step 3: Cross multiply
    2,623.67x = 3,936.82 × 1,636.23
  4. Step 4: Simplify right side
    2,623.67x = 6,441,515.12
  5. Step 5: Solve for x
    x = 6,441,515.12/2,623.67
  6. Step 6: Final answer
    x = 2,455.16

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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.