Home / 1,905.14-2,628.50-1,119.44

Finding the Fourth Proportional to 1,905.14, 2,628.50 and 1,119.44

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Solution

The fourth proportional to 1,905.14, 2,628.50 and 1,119.44 is: 1,544.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,905.14 : 2,628.50 = 1,119.44 : x
  2. Step 2: Convert to fraction form
    1,905.14/2,628.50 = 1,119.44/x
  3. Step 3: Cross multiply
    1,905.14x = 2,628.50 × 1,119.44
  4. Step 4: Simplify right side
    1,905.14x = 2,942,448.04
  5. Step 5: Solve for x
    x = 2,942,448.04/1,905.14
  6. Step 6: Final answer
    x = 1,544.48

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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.