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Finding the Fourth Proportional to 3,552.75, 4,903.11 and 1,959.66

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Solution

The fourth proportional to 3,552.75, 4,903.11 and 1,959.66 is: 2,704.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,552.75 : 4,903.11 = 1,959.66 : x
  2. Step 2: Convert to fraction form
    3,552.75/4,903.11 = 1,959.66/x
  3. Step 3: Cross multiply
    3,552.75x = 4,903.11 × 1,959.66
  4. Step 4: Simplify right side
    3,552.75x = 9,608,428.54
  5. Step 5: Solve for x
    x = 9,608,428.54/3,552.75
  6. Step 6: Final answer
    x = 2,704.50

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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.