Home / 3,135.21-4,324.03-2,251.50

Finding the Fourth Proportional to 3,135.21, 4,324.03 and 2,251.50

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Solution

The fourth proportional to 3,135.21, 4,324.03 and 2,251.50 is: 3,105.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,135.21 : 4,324.03 = 2,251.50 : x
  2. Step 2: Convert to fraction form
    3,135.21/4,324.03 = 2,251.50/x
  3. Step 3: Cross multiply
    3,135.21x = 4,324.03 × 2,251.50
  4. Step 4: Simplify right side
    3,135.21x = 9,735,544.37
  5. Step 5: Solve for x
    x = 9,735,544.37/3,135.21
  6. Step 6: Final answer
    x = 3,105.23

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1.5x scale

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.