Home / 3,334.94-4,601.82-1,990.30

Finding the Fourth Proportional to 3,334.94, 4,601.82 and 1,990.30

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Solution

The fourth proportional to 3,334.94, 4,601.82 and 1,990.30 is: 2,746.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,334.94 : 4,601.82 = 1,990.30 : x
  2. Step 2: Convert to fraction form
    3,334.94/4,601.82 = 1,990.30/x
  3. Step 3: Cross multiply
    3,334.94x = 4,601.82 × 1,990.30
  4. Step 4: Simplify right side
    3,334.94x = 9,158,969.39
  5. Step 5: Solve for x
    x = 9,158,969.39/3,334.94
  6. Step 6: Final answer
    x = 2,746.37

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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.