Home / 3,944.55-5,443.20-2,176.15

Finding the Fourth Proportional to 3,944.55, 5,443.20 and 2,176.15

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Solution

The fourth proportional to 3,944.55, 5,443.20 and 2,176.15 is: 3,002.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,944.55 : 5,443.20 = 2,176.15 : x
  2. Step 2: Convert to fraction form
    3,944.55/5,443.20 = 2,176.15/x
  3. Step 3: Cross multiply
    3,944.55x = 5,443.20 × 2,176.15
  4. Step 4: Simplify right side
    3,944.55x = 11,845,219.68
  5. Step 5: Solve for x
    x = 11,845,219.68/3,944.55
  6. Step 6: Final answer
    x = 3,002.93

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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.