Home / 3,885.15-5,361.84-2,207.01

Finding the Fourth Proportional to 3,885.15, 5,361.84 and 2,207.01

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Solution

The fourth proportional to 3,885.15, 5,361.84 and 2,207.01 is: 3,045.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,885.15 : 5,361.84 = 2,207.01 : x
  2. Step 2: Convert to fraction form
    3,885.15/5,361.84 = 2,207.01/x
  3. Step 3: Cross multiply
    3,885.15x = 5,361.84 × 2,207.01
  4. Step 4: Simplify right side
    3,885.15x = 11,833,634.50
  5. Step 5: Solve for x
    x = 11,833,634.50/3,885.15
  6. Step 6: Final answer
    x = 3,045.86

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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.