Home / 3,425.31-5,137.99-1,085.27

Finding the Fourth Proportional to 3,425.31, 5,137.99 and 1,085.27

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Solution

The fourth proportional to 3,425.31, 5,137.99 and 1,085.27 is: 1,627.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,425.31 : 5,137.99 = 1,085.27 : x
  2. Step 2: Convert to fraction form
    3,425.31/5,137.99 = 1,085.27/x
  3. Step 3: Cross multiply
    3,425.31x = 5,137.99 × 1,085.27
  4. Step 4: Simplify right side
    3,425.31x = 5,576,106.41
  5. Step 5: Solve for x
    x = 5,576,106.41/3,425.31
  6. Step 6: Final answer
    x = 1,627.91

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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.