Home / 3,161.29-4,361.56-1,763.77

Finding the Fourth Proportional to 3,161.29, 4,361.56 and 1,763.77

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Solution

The fourth proportional to 3,161.29, 4,361.56 and 1,763.77 is: 2,433.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,161.29 : 4,361.56 = 1,763.77 : x
  2. Step 2: Convert to fraction form
    3,161.29/4,361.56 = 1,763.77/x
  3. Step 3: Cross multiply
    3,161.29x = 4,361.56 × 1,763.77
  4. Step 4: Simplify right side
    3,161.29x = 7,692,788.68
  5. Step 5: Solve for x
    x = 7,692,788.68/3,161.29
  6. Step 6: Final answer
    x = 2,433.43

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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.