Home / 3,361.03-5,043.27-1,388.18

Finding the Fourth Proportional to 3,361.03, 5,043.27 and 1,388.18

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Solution

The fourth proportional to 3,361.03, 5,043.27 and 1,388.18 is: 2,082.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,361.03 : 5,043.27 = 1,388.18 : x
  2. Step 2: Convert to fraction form
    3,361.03/5,043.27 = 1,388.18/x
  3. Step 3: Cross multiply
    3,361.03x = 5,043.27 × 1,388.18
  4. Step 4: Simplify right side
    3,361.03x = 7,000,966.55
  5. Step 5: Solve for x
    x = 7,000,966.55/3,361.03
  6. Step 6: Final answer
    x = 2,082.98

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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.