Home / 2,272.16-3,408.56-2,231.46

Finding the Fourth Proportional to 2,272.16, 3,408.56 and 2,231.46

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Solution

The fourth proportional to 2,272.16, 3,408.56 and 2,231.46 is: 3,347.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,272.16 : 3,408.56 = 2,231.46 : x
  2. Step 2: Convert to fraction form
    2,272.16/3,408.56 = 2,231.46/x
  3. Step 3: Cross multiply
    2,272.16x = 3,408.56 × 2,231.46
  4. Step 4: Simplify right side
    2,272.16x = 7,606,054.14
  5. Step 5: Solve for x
    x = 7,606,054.14/2,272.16
  6. Step 6: Final answer
    x = 3,347.51

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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.