Home / 3,213.18-4,433.18-1,796.68

Finding the Fourth Proportional to 3,213.18, 4,433.18 and 1,796.68

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Solution

The fourth proportional to 3,213.18, 4,433.18 and 1,796.68 is: 2,478.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,213.18 : 4,433.18 = 1,796.68 : x
  2. Step 2: Convert to fraction form
    3,213.18/4,433.18 = 1,796.68/x
  3. Step 3: Cross multiply
    3,213.18x = 4,433.18 × 1,796.68
  4. Step 4: Simplify right side
    3,213.18x = 7,964,983.68
  5. Step 5: Solve for x
    x = 7,964,983.68/3,213.18
  6. Step 6: Final answer
    x = 2,478.85

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1.5x scale

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.