Home / 2,440.76-3,367.44-1,392.60

Finding the Fourth Proportional to 2,440.76, 3,367.44 and 1,392.60

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Solution

The fourth proportional to 2,440.76, 3,367.44 and 1,392.60 is: 1,921.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,440.76 : 3,367.44 = 1,392.60 : x
  2. Step 2: Convert to fraction form
    2,440.76/3,367.44 = 1,392.60/x
  3. Step 3: Cross multiply
    2,440.76x = 3,367.44 × 1,392.60
  4. Step 4: Simplify right side
    2,440.76x = 4,689,496.94
  5. Step 5: Solve for x
    x = 4,689,496.94/2,440.76
  6. Step 6: Final answer
    x = 1,921.33

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Half scale
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Double scale
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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.