Home / 3,944.80-5,443.98-2,176.30

Finding the Fourth Proportional to 3,944.80, 5,443.98 and 2,176.30

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Solution

The fourth proportional to 3,944.80, 5,443.98 and 2,176.30 is: 3,003.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,944.80 : 5,443.98 = 2,176.30 : x
  2. Step 2: Convert to fraction form
    3,944.80/5,443.98 = 2,176.30/x
  3. Step 3: Cross multiply
    3,944.80x = 5,443.98 × 2,176.30
  4. Step 4: Simplify right side
    3,944.80x = 11,847,733.67
  5. Step 5: Solve for x
    x = 11,847,733.67/3,944.80
  6. Step 6: Final answer
    x = 3,003.38

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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.