Home / 3,553.18-5,330.56-1,361.91

Finding the Fourth Proportional to 3,553.18, 5,330.56 and 1,361.91

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Solution

The fourth proportional to 3,553.18, 5,330.56 and 1,361.91 is: 2,043.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,553.18 : 5,330.56 = 1,361.91 : x
  2. Step 2: Convert to fraction form
    3,553.18/5,330.56 = 1,361.91/x
  3. Step 3: Cross multiply
    3,553.18x = 5,330.56 × 1,361.91
  4. Step 4: Simplify right side
    3,553.18x = 7,259,762.11
  5. Step 5: Solve for x
    x = 7,259,762.11/3,553.18
  6. Step 6: Final answer
    x = 2,043.17

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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.