Home / 3,183.76-4,381.32-3,164.88

Finding the Fourth Proportional to 3,183.76, 4,381.32 and 3,164.88

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Solution

The fourth proportional to 3,183.76, 4,381.32 and 3,164.88 is: 4,355.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,183.76 : 4,381.32 = 3,164.88 : x
  2. Step 2: Convert to fraction form
    3,183.76/4,381.32 = 3,164.88/x
  3. Step 3: Cross multiply
    3,183.76x = 4,381.32 × 3,164.88
  4. Step 4: Simplify right side
    3,183.76x = 13,866,352.04
  5. Step 5: Solve for x
    x = 13,866,352.04/3,183.76
  6. Step 6: Final answer
    x = 4,355.34

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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.