Home / 3,190.26-4,401.06-1,863.20

Finding the Fourth Proportional to 3,190.26, 4,401.06 and 1,863.20

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Solution

The fourth proportional to 3,190.26, 4,401.06 and 1,863.20 is: 2,570.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,190.26 : 4,401.06 = 1,863.20 : x
  2. Step 2: Convert to fraction form
    3,190.26/4,401.06 = 1,863.20/x
  3. Step 3: Cross multiply
    3,190.26x = 4,401.06 × 1,863.20
  4. Step 4: Simplify right side
    3,190.26x = 8,200,054.99
  5. Step 5: Solve for x
    x = 8,200,054.99/3,190.26
  6. Step 6: Final answer
    x = 2,570.34

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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.