Home / 3,182.20-4,770.06-2,663.80

Finding the Fourth Proportional to 3,182.20, 4,770.06 and 2,663.80

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Solution

The fourth proportional to 3,182.20, 4,770.06 and 2,663.80 is: 3,992.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,182.20 : 4,770.06 = 2,663.80 : x
  2. Step 2: Convert to fraction form
    3,182.20/4,770.06 = 2,663.80/x
  3. Step 3: Cross multiply
    3,182.20x = 4,770.06 × 2,663.80
  4. Step 4: Simplify right side
    3,182.20x = 12,706,485.83
  5. Step 5: Solve for x
    x = 12,706,485.83/3,182.20
  6. Step 6: Final answer
    x = 3,992.99

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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.