Home / 2,638.73-3,946.19-2,014.22

Finding the Fourth Proportional to 2,638.73, 3,946.19 and 2,014.22

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Solution

The fourth proportional to 2,638.73, 3,946.19 and 2,014.22 is: 3,012.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,638.73 : 3,946.19 = 2,014.22 : x
  2. Step 2: Convert to fraction form
    2,638.73/3,946.19 = 2,014.22/x
  3. Step 3: Cross multiply
    2,638.73x = 3,946.19 × 2,014.22
  4. Step 4: Simplify right side
    2,638.73x = 7,948,494.62
  5. Step 5: Solve for x
    x = 7,948,494.62/2,638.73
  6. Step 6: Final answer
    x = 3,012.24

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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.