Home / 3,996.83-5,992.31-1,915.04

Finding the Fourth Proportional to 3,996.83, 5,992.31 and 1,915.04

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Solution

The fourth proportional to 3,996.83, 5,992.31 and 1,915.04 is: 2,871.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,996.83 : 5,992.31 = 1,915.04 : x
  2. Step 2: Convert to fraction form
    3,996.83/5,992.31 = 1,915.04/x
  3. Step 3: Cross multiply
    3,996.83x = 5,992.31 × 1,915.04
  4. Step 4: Simplify right side
    3,996.83x = 11,475,513.34
  5. Step 5: Solve for x
    x = 11,475,513.34/3,996.83
  6. Step 6: Final answer
    x = 2,871.15

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1.5x scale

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.