Home / 3,196.98-4,411.89-1,871.64

Finding the Fourth Proportional to 3,196.98, 4,411.89 and 1,871.64

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Solution

The fourth proportional to 3,196.98, 4,411.89 and 1,871.64 is: 2,582.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,196.98 : 4,411.89 = 1,871.64 : x
  2. Step 2: Convert to fraction form
    3,196.98/4,411.89 = 1,871.64/x
  3. Step 3: Cross multiply
    3,196.98x = 4,411.89 × 1,871.64
  4. Step 4: Simplify right side
    3,196.98x = 8,257,469.80
  5. Step 5: Solve for x
    x = 8,257,469.80/3,196.98
  6. Step 6: Final answer
    x = 2,582.90

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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.