Home / 3,934.63-5,428.08-2,361.81

Finding the Fourth Proportional to 3,934.63, 5,428.08 and 2,361.81

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Solution

The fourth proportional to 3,934.63, 5,428.08 and 2,361.81 is: 3,258.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,934.63 : 5,428.08 = 2,361.81 : x
  2. Step 2: Convert to fraction form
    3,934.63/5,428.08 = 2,361.81/x
  3. Step 3: Cross multiply
    3,934.63x = 5,428.08 × 2,361.81
  4. Step 4: Simplify right side
    3,934.63x = 12,820,093.62
  5. Step 5: Solve for x
    x = 12,820,093.62/3,934.63
  6. Step 6: Final answer
    x = 3,258.27

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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.