Home / 3,694.08-5,097.96-2,121.88

Finding the Fourth Proportional to 3,694.08, 5,097.96 and 2,121.88

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Solution

The fourth proportional to 3,694.08, 5,097.96 and 2,121.88 is: 2,928.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,694.08 : 5,097.96 = 2,121.88 : x
  2. Step 2: Convert to fraction form
    3,694.08/5,097.96 = 2,121.88/x
  3. Step 3: Cross multiply
    3,694.08x = 5,097.96 × 2,121.88
  4. Step 4: Simplify right side
    3,694.08x = 10,817,259.36
  5. Step 5: Solve for x
    x = 10,817,259.36/3,694.08
  6. Step 6: Final answer
    x = 2,928.27

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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.