Home / 2,025.81-3,039.66-1,993.05

Finding the Fourth Proportional to 2,025.81, 3,039.66 and 1,993.05

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Solution

The fourth proportional to 2,025.81, 3,039.66 and 1,993.05 is: 2,990.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,025.81 : 3,039.66 = 1,993.05 : x
  2. Step 2: Convert to fraction form
    2,025.81/3,039.66 = 1,993.05/x
  3. Step 3: Cross multiply
    2,025.81x = 3,039.66 × 1,993.05
  4. Step 4: Simplify right side
    2,025.81x = 6,058,194.36
  5. Step 5: Solve for x
    x = 6,058,194.36/2,025.81
  6. Step 6: Final answer
    x = 2,990.50

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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.