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Finding the Fourth Proportional to 1,824.75, 2,518.16 and 996.75

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Solution

The fourth proportional to 1,824.75, 2,518.16 and 996.75 is: 1,375.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,824.75 : 2,518.16 = 996.75 : x
  2. Step 2: Convert to fraction form
    1,824.75/2,518.16 = 996.75/x
  3. Step 3: Cross multiply
    1,824.75x = 2,518.16 × 996.75
  4. Step 4: Simplify right side
    1,824.75x = 2,509,971.00
  5. Step 5: Solve for x
    x = 2,509,971.00/1,824.75
  6. Step 6: Final answer
    x = 1,375.52

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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.