Home / 3,861.13-5,791.46-1,886.00

Finding the Fourth Proportional to 3,861.13, 5,791.46 and 1,886.00

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Solution

The fourth proportional to 3,861.13, 5,791.46 and 1,886.00 is: 2,828.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,861.13 : 5,791.46 = 1,886.00 : x
  2. Step 2: Convert to fraction form
    3,861.13/5,791.46 = 1,886.00/x
  3. Step 3: Cross multiply
    3,861.13x = 5,791.46 × 1,886.00
  4. Step 4: Simplify right side
    3,861.13x = 10,922,669.32
  5. Step 5: Solve for x
    x = 10,922,669.32/3,861.13
  6. Step 6: Final answer
    x = 2,828.88

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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.