Home / 3,380.65-5,058.60-1,994.59

Finding the Fourth Proportional to 3,380.65, 5,058.60 and 1,994.59

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Solution

The fourth proportional to 3,380.65, 5,058.60 and 1,994.59 is: 2,984.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,380.65 : 5,058.60 = 1,994.59 : x
  2. Step 2: Convert to fraction form
    3,380.65/5,058.60 = 1,994.59/x
  3. Step 3: Cross multiply
    3,380.65x = 5,058.60 × 1,994.59
  4. Step 4: Simplify right side
    3,380.65x = 10,089,832.97
  5. Step 5: Solve for x
    x = 10,089,832.97/3,380.65
  6. Step 6: Final answer
    x = 2,984.58

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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.