Home / 1,936.24-2,904.37-475.40

Finding the Fourth Proportional to 1,936.24, 2,904.37 and 475.40

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Solution

The fourth proportional to 1,936.24, 2,904.37 and 475.40 is: 713.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,936.24 : 2,904.37 = 475.40 : x
  2. Step 2: Convert to fraction form
    1,936.24/2,904.37 = 475.40/x
  3. Step 3: Cross multiply
    1,936.24x = 2,904.37 × 475.40
  4. Step 4: Simplify right side
    1,936.24x = 1,380,743.57
  5. Step 5: Solve for x
    x = 1,380,743.57/1,936.24
  6. Step 6: Final answer
    x = 713.11

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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.