Home / 2,262.44-3,122.70-1,331.48

Finding the Fourth Proportional to 2,262.44, 3,122.70 and 1,331.48

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Solution

The fourth proportional to 2,262.44, 3,122.70 and 1,331.48 is: 1,837.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,262.44 : 3,122.70 = 1,331.48 : x
  2. Step 2: Convert to fraction form
    2,262.44/3,122.70 = 1,331.48/x
  3. Step 3: Cross multiply
    2,262.44x = 3,122.70 × 1,331.48
  4. Step 4: Simplify right side
    2,262.44x = 4,157,812.60
  5. Step 5: Solve for x
    x = 4,157,812.60/2,262.44
  6. Step 6: Final answer
    x = 1,837.76

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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.