Home / 2,862.82-4,286.93-1,885.96

Finding the Fourth Proportional to 2,862.82, 4,286.93 and 1,885.96

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Solution

The fourth proportional to 2,862.82, 4,286.93 and 1,885.96 is: 2,824.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,862.82 : 4,286.93 = 1,885.96 : x
  2. Step 2: Convert to fraction form
    2,862.82/4,286.93 = 1,885.96/x
  3. Step 3: Cross multiply
    2,862.82x = 4,286.93 × 1,885.96
  4. Step 4: Simplify right side
    2,862.82x = 8,084,972.50
  5. Step 5: Solve for x
    x = 8,084,972.50/2,862.82
  6. Step 6: Final answer
    x = 2,824.13

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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.