Home / 3,944.64-5,443.45-2,176.23

Finding the Fourth Proportional to 3,944.64, 5,443.45 and 2,176.23

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Solution

The fourth proportional to 3,944.64, 5,443.45 and 2,176.23 is: 3,003.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,944.64 : 5,443.45 = 2,176.23 : x
  2. Step 2: Convert to fraction form
    3,944.64/5,443.45 = 2,176.23/x
  3. Step 3: Cross multiply
    3,944.64x = 5,443.45 × 2,176.23
  4. Step 4: Simplify right side
    3,944.64x = 11,846,199.19
  5. Step 5: Solve for x
    x = 11,846,199.19/3,944.64
  6. Step 6: Final answer
    x = 3,003.11

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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.