Home / 2,893.37-3,993.40-1,949.16

Finding the Fourth Proportional to 2,893.37, 3,993.40 and 1,949.16

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Solution

The fourth proportional to 2,893.37, 3,993.40 and 1,949.16 is: 2,690.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,893.37 : 3,993.40 = 1,949.16 : x
  2. Step 2: Convert to fraction form
    2,893.37/3,993.40 = 1,949.16/x
  3. Step 3: Cross multiply
    2,893.37x = 3,993.40 × 1,949.16
  4. Step 4: Simplify right side
    2,893.37x = 7,783,792.96
  5. Step 5: Solve for x
    x = 7,783,792.96/2,893.37
  6. Step 6: Final answer
    x = 2,690.22

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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.