Home / 2,440.44-3,367.98-1,392.66

Finding the Fourth Proportional to 2,440.44, 3,367.98 and 1,392.66

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Solution

The fourth proportional to 2,440.44, 3,367.98 and 1,392.66 is: 1,921.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,440.44 : 3,367.98 = 1,392.66 : x
  2. Step 2: Convert to fraction form
    2,440.44/3,367.98 = 1,392.66/x
  3. Step 3: Cross multiply
    2,440.44x = 3,367.98 × 1,392.66
  4. Step 4: Simplify right side
    2,440.44x = 4,690,451.03
  5. Step 5: Solve for x
    x = 4,690,451.03/2,440.44
  6. Step 6: Final answer
    x = 1,921.97

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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.