Home / 3,842.28-5,763.14-1,376.64

Finding the Fourth Proportional to 3,842.28, 5,763.14 and 1,376.64

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Solution

The fourth proportional to 3,842.28, 5,763.14 and 1,376.64 is: 2,064.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,842.28 : 5,763.14 = 1,376.64 : x
  2. Step 2: Convert to fraction form
    3,842.28/5,763.14 = 1,376.64/x
  3. Step 3: Cross multiply
    3,842.28x = 5,763.14 × 1,376.64
  4. Step 4: Simplify right side
    3,842.28x = 7,933,769.05
  5. Step 5: Solve for x
    x = 7,933,769.05/3,842.28
  6. Step 6: Final answer
    x = 2,064.86

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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.