Home / 2,988.56-4,481.19-2,293.49

Finding the Fourth Proportional to 2,988.56, 4,481.19 and 2,293.49

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Solution

The fourth proportional to 2,988.56, 4,481.19 and 2,293.49 is: 3,438.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,988.56 : 4,481.19 = 2,293.49 : x
  2. Step 2: Convert to fraction form
    2,988.56/4,481.19 = 2,293.49/x
  3. Step 3: Cross multiply
    2,988.56x = 4,481.19 × 2,293.49
  4. Step 4: Simplify right side
    2,988.56x = 10,277,542.05
  5. Step 5: Solve for x
    x = 10,277,542.05/2,988.56
  6. Step 6: Final answer
    x = 3,438.97

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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.