Home / 3,271.10-4,906.65-1,630.85

Finding the Fourth Proportional to 3,271.10, 4,906.65 and 1,630.85

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Solution

The fourth proportional to 3,271.10, 4,906.65 and 1,630.85 is: 2,446.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,271.10 : 4,906.65 = 1,630.85 : x
  2. Step 2: Convert to fraction form
    3,271.10/4,906.65 = 1,630.85/x
  3. Step 3: Cross multiply
    3,271.10x = 4,906.65 × 1,630.85
  4. Step 4: Simplify right side
    3,271.10x = 8,002,010.15
  5. Step 5: Solve for x
    x = 8,002,010.15/3,271.10
  6. Step 6: Final answer
    x = 2,446.28

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.