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Finding the Fourth Proportional to 3,531.94, 4,873.90 and 1,959.94

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Solution

The fourth proportional to 3,531.94, 4,873.90 and 1,959.94 is: 2,704.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,531.94 : 4,873.90 = 1,959.94 : x
  2. Step 2: Convert to fraction form
    3,531.94/4,873.90 = 1,959.94/x
  3. Step 3: Cross multiply
    3,531.94x = 4,873.90 × 1,959.94
  4. Step 4: Simplify right side
    3,531.94x = 9,552,551.57
  5. Step 5: Solve for x
    x = 9,552,551.57/3,531.94
  6. Step 6: Final answer
    x = 2,704.62

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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.