Home / 3,190.77-4,401.64-2,072.33

Finding the Fourth Proportional to 3,190.77, 4,401.64 and 2,072.33

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Solution

The fourth proportional to 3,190.77, 4,401.64 and 2,072.33 is: 2,858.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,190.77 : 4,401.64 = 2,072.33 : x
  2. Step 2: Convert to fraction form
    3,190.77/4,401.64 = 2,072.33/x
  3. Step 3: Cross multiply
    3,190.77x = 4,401.64 × 2,072.33
  4. Step 4: Simplify right side
    3,190.77x = 9,121,647.71
  5. Step 5: Solve for x
    x = 9,121,647.71/3,190.77
  6. Step 6: Final answer
    x = 2,858.76

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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.