Home / 3,092.09-4,638.74-2,782.26

Finding the Fourth Proportional to 3,092.09, 4,638.74 and 2,782.26

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Solution

The fourth proportional to 3,092.09, 4,638.74 and 2,782.26 is: 4,173.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,092.09 : 4,638.74 = 2,782.26 : x
  2. Step 2: Convert to fraction form
    3,092.09/4,638.74 = 2,782.26/x
  3. Step 3: Cross multiply
    3,092.09x = 4,638.74 × 2,782.26
  4. Step 4: Simplify right side
    3,092.09x = 12,906,166.84
  5. Step 5: Solve for x
    x = 12,906,166.84/3,092.09
  6. Step 6: Final answer
    x = 4,173.94

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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.