Home / 3,880.82-5,361.79-2,707.13

Finding the Fourth Proportional to 3,880.82, 5,361.79 and 2,707.13

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Solution

The fourth proportional to 3,880.82, 5,361.79 and 2,707.13 is: 3,740.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,880.82 : 5,361.79 = 2,707.13 : x
  2. Step 2: Convert to fraction form
    3,880.82/5,361.79 = 2,707.13/x
  3. Step 3: Cross multiply
    3,880.82x = 5,361.79 × 2,707.13
  4. Step 4: Simplify right side
    3,880.82x = 14,515,028.99
  5. Step 5: Solve for x
    x = 14,515,028.99/3,880.82
  6. Step 6: Final answer
    x = 3,740.20

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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.