Home / 3,885.30-5,824.98-1,938.87

Finding the Fourth Proportional to 3,885.30, 5,824.98 and 1,938.87

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Solution

The fourth proportional to 3,885.30, 5,824.98 and 1,938.87 is: 2,906.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,885.30 : 5,824.98 = 1,938.87 : x
  2. Step 2: Convert to fraction form
    3,885.30/5,824.98 = 1,938.87/x
  3. Step 3: Cross multiply
    3,885.30x = 5,824.98 × 1,938.87
  4. Step 4: Simplify right side
    3,885.30x = 11,293,878.97
  5. Step 5: Solve for x
    x = 11,293,878.97/3,885.30
  6. Step 6: Final answer
    x = 2,906.82

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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.