Home / 3,190.24-4,401.40-1,994.41

Finding the Fourth Proportional to 3,190.24, 4,401.40 and 1,994.41

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Solution

The fourth proportional to 3,190.24, 4,401.40 and 1,994.41 is: 2,751.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,190.24 : 4,401.40 = 1,994.41 : x
  2. Step 2: Convert to fraction form
    3,190.24/4,401.40 = 1,994.41/x
  3. Step 3: Cross multiply
    3,190.24x = 4,401.40 × 1,994.41
  4. Step 4: Simplify right side
    3,190.24x = 8,778,196.17
  5. Step 5: Solve for x
    x = 8,778,196.17/3,190.24
  6. Step 6: Final answer
    x = 2,751.58

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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.