Home / 2,731.48-4,097.22-1,170.47

Finding the Fourth Proportional to 2,731.48, 4,097.22 and 1,170.47

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Solution

The fourth proportional to 2,731.48, 4,097.22 and 1,170.47 is: 1,755.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,731.48 : 4,097.22 = 1,170.47 : x
  2. Step 2: Convert to fraction form
    2,731.48/4,097.22 = 1,170.47/x
  3. Step 3: Cross multiply
    2,731.48x = 4,097.22 × 1,170.47
  4. Step 4: Simplify right side
    2,731.48x = 4,795,667.97
  5. Step 5: Solve for x
    x = 4,795,667.97/2,731.48
  6. Step 6: Final answer
    x = 1,755.70

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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.