Home / 2,481.56-3,426.14-2,215.54

Finding the Fourth Proportional to 2,481.56, 3,426.14 and 2,215.54

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Solution

The fourth proportional to 2,481.56, 3,426.14 and 2,215.54 is: 3,058.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,481.56 : 3,426.14 = 2,215.54 : x
  2. Step 2: Convert to fraction form
    2,481.56/3,426.14 = 2,215.54/x
  3. Step 3: Cross multiply
    2,481.56x = 3,426.14 × 2,215.54
  4. Step 4: Simplify right side
    2,481.56x = 7,590,750.22
  5. Step 5: Solve for x
    x = 7,590,750.22/2,481.56
  6. Step 6: Final answer
    x = 3,058.86

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.