Home / 3,553.07-5,327.84-2,072.81

Finding the Fourth Proportional to 3,553.07, 5,327.84 and 2,072.81

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Solution

The fourth proportional to 3,553.07, 5,327.84 and 2,072.81 is: 3,108.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,553.07 : 5,327.84 = 2,072.81 : x
  2. Step 2: Convert to fraction form
    3,553.07/5,327.84 = 2,072.81/x
  3. Step 3: Cross multiply
    3,553.07x = 5,327.84 × 2,072.81
  4. Step 4: Simplify right side
    3,553.07x = 11,043,618.53
  5. Step 5: Solve for x
    x = 11,043,618.53/3,553.07
  6. Step 6: Final answer
    x = 3,108.19

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.