Home / 3,512.46-5,268.69-1,431.99

Finding the Fourth Proportional to 3,512.46, 5,268.69 and 1,431.99

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Solution

The fourth proportional to 3,512.46, 5,268.69 and 1,431.99 is: 2,147.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,512.46 : 5,268.69 = 1,431.99 : x
  2. Step 2: Convert to fraction form
    3,512.46/5,268.69 = 1,431.99/x
  3. Step 3: Cross multiply
    3,512.46x = 5,268.69 × 1,431.99
  4. Step 4: Simplify right side
    3,512.46x = 7,544,711.39
  5. Step 5: Solve for x
    x = 7,544,711.39/3,512.46
  6. Step 6: Final answer
    x = 2,147.99

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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.