Home / 2,249.44-3,102.70-1,954.20

Finding the Fourth Proportional to 2,249.44, 3,102.70 and 1,954.20

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Solution

The fourth proportional to 2,249.44, 3,102.70 and 1,954.20 is: 2,695.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,249.44 : 3,102.70 = 1,954.20 : x
  2. Step 2: Convert to fraction form
    2,249.44/3,102.70 = 1,954.20/x
  3. Step 3: Cross multiply
    2,249.44x = 3,102.70 × 1,954.20
  4. Step 4: Simplify right side
    2,249.44x = 6,063,296.34
  5. Step 5: Solve for x
    x = 6,063,296.34/2,249.44
  6. Step 6: Final answer
    x = 2,695.47

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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.