Home / 2,731.47-4,097.17-1,636.14

Finding the Fourth Proportional to 2,731.47, 4,097.17 and 1,636.14

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Solution

The fourth proportional to 2,731.47, 4,097.17 and 1,636.14 is: 2,454.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,731.47 : 4,097.17 = 1,636.14 : x
  2. Step 2: Convert to fraction form
    2,731.47/4,097.17 = 1,636.14/x
  3. Step 3: Cross multiply
    2,731.47x = 4,097.17 × 1,636.14
  4. Step 4: Simplify right side
    2,731.47x = 6,703,543.72
  5. Step 5: Solve for x
    x = 6,703,543.72/2,731.47
  6. Step 6: Final answer
    x = 2,454.19

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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.