Home / 2,481.24-3,407.20-2,219.16

Finding the Fourth Proportional to 2,481.24, 3,407.20 and 2,219.16

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Solution

The fourth proportional to 2,481.24, 3,407.20 and 2,219.16 is: 3,047.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,481.24 : 3,407.20 = 2,219.16 : x
  2. Step 2: Convert to fraction form
    2,481.24/3,407.20 = 2,219.16/x
  3. Step 3: Cross multiply
    2,481.24x = 3,407.20 × 2,219.16
  4. Step 4: Simplify right side
    2,481.24x = 7,561,121.95
  5. Step 5: Solve for x
    x = 7,561,121.95/2,481.24
  6. Step 6: Final answer
    x = 3,047.32

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.