Home / 3,553.44-4,903.86-1,960.20

Finding the Fourth Proportional to 3,553.44, 4,903.86 and 1,960.20

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Solution

The fourth proportional to 3,553.44, 4,903.86 and 1,960.20 is: 2,705.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,553.44 : 4,903.86 = 1,960.20 : x
  2. Step 2: Convert to fraction form
    3,553.44/4,903.86 = 1,960.20/x
  3. Step 3: Cross multiply
    3,553.44x = 4,903.86 × 1,960.20
  4. Step 4: Simplify right side
    3,553.44x = 9,612,546.37
  5. Step 5: Solve for x
    x = 9,612,546.37/3,553.44
  6. Step 6: Final answer
    x = 2,705.14

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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.