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Finding the Fourth Proportional to 3,380.57, 5,058.52 and 1,994.57

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Solution

The fourth proportional to 3,380.57, 5,058.52 and 1,994.57 is: 2,984.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,380.57 : 5,058.52 = 1,994.57 : x
  2. Step 2: Convert to fraction form
    3,380.57/5,058.52 = 1,994.57/x
  3. Step 3: Cross multiply
    3,380.57x = 5,058.52 × 1,994.57
  4. Step 4: Simplify right side
    3,380.57x = 10,089,572.24
  5. Step 5: Solve for x
    x = 10,089,572.24/3,380.57
  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.