Home / 3,283.92-4,531.32-2,106

Finding the Fourth Proportional to 3,283.92, 4,531.32 and 2,106

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Solution

The fourth proportional to 3,283.92, 4,531.32 and 2,106 is: 2,905.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,283.92 : 4,531.32 = 2,106 : x
  2. Step 2: Convert to fraction form
    3,283.92/4,531.32 = 2,106/x
  3. Step 3: Cross multiply
    3,283.92x = 4,531.32 × 2,106
  4. Step 4: Simplify right side
    3,283.92x = 9,542,959.92
  5. Step 5: Solve for x
    x = 9,542,959.92/3,283.92
  6. Step 6: Final answer
    x = 2,905.97

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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.