Home / 2,936.80-4,053.84-2,004.64

Finding the Fourth Proportional to 2,936.80, 4,053.84 and 2,004.64

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Solution

The fourth proportional to 2,936.80, 4,053.84 and 2,004.64 is: 2,767.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,936.80 : 4,053.84 = 2,004.64 : x
  2. Step 2: Convert to fraction form
    2,936.80/4,053.84 = 2,004.64/x
  3. Step 3: Cross multiply
    2,936.80x = 4,053.84 × 2,004.64
  4. Step 4: Simplify right side
    2,936.80x = 8,126,489.82
  5. Step 5: Solve for x
    x = 8,126,489.82/2,936.80
  6. Step 6: Final answer
    x = 2,767.12

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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.