Home / 3,885.18-5,361.21-2,206.02

Finding the Fourth Proportional to 3,885.18, 5,361.21 and 2,206.02

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Solution

The fourth proportional to 3,885.18, 5,361.21 and 2,206.02 is: 3,044.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,885.18 : 5,361.21 = 2,206.02 : x
  2. Step 2: Convert to fraction form
    3,885.18/5,361.21 = 2,206.02/x
  3. Step 3: Cross multiply
    3,885.18x = 5,361.21 × 2,206.02
  4. Step 4: Simplify right side
    3,885.18x = 11,826,936.48
  5. Step 5: Solve for x
    x = 11,826,936.48/3,885.18
  6. Step 6: Final answer
    x = 3,044.12

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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.