Home / 2,731.06-4,097.62-1,636.21

Finding the Fourth Proportional to 2,731.06, 4,097.62 and 1,636.21

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Solution

The fourth proportional to 2,731.06, 4,097.62 and 1,636.21 is: 2,454.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,731.06 : 4,097.62 = 1,636.21 : x
  2. Step 2: Convert to fraction form
    2,731.06/4,097.62 = 1,636.21/x
  3. Step 3: Cross multiply
    2,731.06x = 4,097.62 × 1,636.21
  4. Step 4: Simplify right side
    2,731.06x = 6,704,573.99
  5. Step 5: Solve for x
    x = 6,704,573.99/2,731.06
  6. Step 6: Final answer
    x = 2,454.93

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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.