Home / 3,021.98-4,512.28-2,707.60

Finding the Fourth Proportional to 3,021.98, 4,512.28 and 2,707.60

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Solution

The fourth proportional to 3,021.98, 4,512.28 and 2,707.60 is: 4,042.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,021.98 : 4,512.28 = 2,707.60 : x
  2. Step 2: Convert to fraction form
    3,021.98/4,512.28 = 2,707.60/x
  3. Step 3: Cross multiply
    3,021.98x = 4,512.28 × 2,707.60
  4. Step 4: Simplify right side
    3,021.98x = 12,217,449.33
  5. Step 5: Solve for x
    x = 12,217,449.33/3,021.98
  6. Step 6: Final answer
    x = 4,042.86

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.