Home / 2,270.78-3,134.47-1,673.97

Finding the Fourth Proportional to 2,270.78, 3,134.47 and 1,673.97

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Solution

The fourth proportional to 2,270.78, 3,134.47 and 1,673.97 is: 2,310.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,270.78 : 3,134.47 = 1,673.97 : x
  2. Step 2: Convert to fraction form
    2,270.78/3,134.47 = 1,673.97/x
  3. Step 3: Cross multiply
    2,270.78x = 3,134.47 × 1,673.97
  4. Step 4: Simplify right side
    2,270.78x = 5,247,000.65
  5. Step 5: Solve for x
    x = 5,247,000.65/2,270.78
  6. Step 6: Final answer
    x = 2,310.66

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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.