Home / 1,904.68-2,857.72-1,361.14

Finding the Fourth Proportional to 1,904.68, 2,857.72 and 1,361.14

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Solution

The fourth proportional to 1,904.68, 2,857.72 and 1,361.14 is: 2,042.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,904.68 : 2,857.72 = 1,361.14 : x
  2. Step 2: Convert to fraction form
    1,904.68/2,857.72 = 1,361.14/x
  3. Step 3: Cross multiply
    1,904.68x = 2,857.72 × 1,361.14
  4. Step 4: Simplify right side
    1,904.68x = 3,889,757.00
  5. Step 5: Solve for x
    x = 3,889,757.00/1,904.68
  6. Step 6: Final answer
    x = 2,042.21

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.