Home / 3,190.37-4,401.59-1,994.54

Finding the Fourth Proportional to 3,190.37, 4,401.59 and 1,994.54

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Solution

The fourth proportional to 3,190.37, 4,401.59 and 1,994.54 is: 2,751.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,190.37 : 4,401.59 = 1,994.54 : x
  2. Step 2: Convert to fraction form
    3,190.37/4,401.59 = 1,994.54/x
  3. Step 3: Cross multiply
    3,190.37x = 4,401.59 × 1,994.54
  4. Step 4: Simplify right side
    3,190.37x = 8,779,115.34
  5. Step 5: Solve for x
    x = 8,779,115.34/3,190.37
  6. Step 6: Final answer
    x = 2,751.76

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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.