Home / 2,730.71-4,097.39-1,171.26

Finding the Fourth Proportional to 2,730.71, 4,097.39 and 1,171.26

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Solution

The fourth proportional to 2,730.71, 4,097.39 and 1,171.26 is: 1,757.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,730.71 : 4,097.39 = 1,171.26 : x
  2. Step 2: Convert to fraction form
    2,730.71/4,097.39 = 1,171.26/x
  3. Step 3: Cross multiply
    2,730.71x = 4,097.39 × 1,171.26
  4. Step 4: Simplify right side
    2,730.71x = 4,799,103.16
  5. Step 5: Solve for x
    x = 4,799,103.16/2,730.71
  6. Step 6: Final answer
    x = 1,757.45

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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.