Home / 4,028.50-6,042.75-1,431.54

Finding the Fourth Proportional to 4,028.50, 6,042.75 and 1,431.54

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Solution

The fourth proportional to 4,028.50, 6,042.75 and 1,431.54 is: 2,147.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,028.50 : 6,042.75 = 1,431.54 : x
  2. Step 2: Convert to fraction form
    4,028.50/6,042.75 = 1,431.54/x
  3. Step 3: Cross multiply
    4,028.50x = 6,042.75 × 1,431.54
  4. Step 4: Simplify right side
    4,028.50x = 8,650,438.34
  5. Step 5: Solve for x
    x = 8,650,438.34/4,028.50
  6. Step 6: Final answer
    x = 2,147.31

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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.