Home / 1,936.03-2,904.03-1,318.20

Finding the Fourth Proportional to 1,936.03, 2,904.03 and 1,318.20

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Solution

The fourth proportional to 1,936.03, 2,904.03 and 1,318.20 is: 1,977.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,936.03 : 2,904.03 = 1,318.20 : x
  2. Step 2: Convert to fraction form
    1,936.03/2,904.03 = 1,318.20/x
  3. Step 3: Cross multiply
    1,936.03x = 2,904.03 × 1,318.20
  4. Step 4: Simplify right side
    1,936.03x = 3,828,092.35
  5. Step 5: Solve for x
    x = 3,828,092.35/1,936.03
  6. Step 6: Final answer
    x = 1,977.29

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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.