Home / 4,028.07-6,042.30-1,431.21

Finding the Fourth Proportional to 4,028.07, 6,042.30 and 1,431.21

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Solution

The fourth proportional to 4,028.07, 6,042.30 and 1,431.21 is: 2,146.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,028.07 : 6,042.30 = 1,431.21 : x
  2. Step 2: Convert to fraction form
    4,028.07/6,042.30 = 1,431.21/x
  3. Step 3: Cross multiply
    4,028.07x = 6,042.30 × 1,431.21
  4. Step 4: Simplify right side
    4,028.07x = 8,647,800.18
  5. Step 5: Solve for x
    x = 8,647,800.18/4,028.07
  6. Step 6: Final answer
    x = 2,146.88

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1.5x scale

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.