Home / 3,553.06-5,330.40-1,361.80

Finding the Fourth Proportional to 3,553.06, 5,330.40 and 1,361.80

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Solution

The fourth proportional to 3,553.06, 5,330.40 and 1,361.80 is: 2,043.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,553.06 : 5,330.40 = 1,361.80 : x
  2. Step 2: Convert to fraction form
    3,553.06/5,330.40 = 1,361.80/x
  3. Step 3: Cross multiply
    3,553.06x = 5,330.40 × 1,361.80
  4. Step 4: Simplify right side
    3,553.06x = 7,258,938.72
  5. Step 5: Solve for x
    x = 7,258,938.72/3,553.06
  6. Step 6: Final answer
    x = 2,043.01

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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.