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Finding the Fourth Proportional to 3,271, 4,513.98 and 1,799

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Solution

The fourth proportional to 3,271, 4,513.98 and 1,799 is: 2,482.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,271 : 4,513.98 = 1,799 : x
  2. Step 2: Convert to fraction form
    3,271/4,513.98 = 1,799/x
  3. Step 3: Cross multiply
    3,271x = 4,513.98 × 1,799
  4. Step 4: Simplify right side
    3,271x = 8,120,650.02
  5. Step 5: Solve for x
    x = 8,120,650.02/3,271
  6. Step 6: Final answer
    x = 2,482.62

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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.