Home / 3,291.26-4,939.02-1,211.27

Finding the Fourth Proportional to 3,291.26, 4,939.02 and 1,211.27

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Solution

The fourth proportional to 3,291.26, 4,939.02 and 1,211.27 is: 1,817.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,291.26 : 4,939.02 = 1,211.27 : x
  2. Step 2: Convert to fraction form
    3,291.26/4,939.02 = 1,211.27/x
  3. Step 3: Cross multiply
    3,291.26x = 4,939.02 × 1,211.27
  4. Step 4: Simplify right side
    3,291.26x = 5,982,462.06
  5. Step 5: Solve for x
    x = 5,982,462.06/3,291.26
  6. Step 6: Final answer
    x = 1,817.68

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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.