Home / 3,147.74-4,721.61-1,173.38

Finding the Fourth Proportional to 3,147.74, 4,721.61 and 1,173.38

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Solution

The fourth proportional to 3,147.74, 4,721.61 and 1,173.38 is: 1,760.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,147.74 : 4,721.61 = 1,173.38 : x
  2. Step 2: Convert to fraction form
    3,147.74/4,721.61 = 1,173.38/x
  3. Step 3: Cross multiply
    3,147.74x = 4,721.61 × 1,173.38
  4. Step 4: Simplify right side
    3,147.74x = 5,540,231.42
  5. Step 5: Solve for x
    x = 5,540,231.42/3,147.74
  6. Step 6: Final answer
    x = 1,760.07

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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.