Home / 2,239.77-3,334.56-2,228.97

Finding the Fourth Proportional to 2,239.77, 3,334.56 and 2,228.97

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Solution

The fourth proportional to 2,239.77, 3,334.56 and 2,228.97 is: 3,318.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,239.77 : 3,334.56 = 2,228.97 : x
  2. Step 2: Convert to fraction form
    2,239.77/3,334.56 = 2,228.97/x
  3. Step 3: Cross multiply
    2,239.77x = 3,334.56 × 2,228.97
  4. Step 4: Simplify right side
    2,239.77x = 7,432,634.20
  5. Step 5: Solve for x
    x = 7,432,634.20/2,239.77
  6. Step 6: Final answer
    x = 3,318.48

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.