Home / 3,864.24-5,794.43-1,890.02

Finding the Fourth Proportional to 3,864.24, 5,794.43 and 1,890.02

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Solution

The fourth proportional to 3,864.24, 5,794.43 and 1,890.02 is: 2,834.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,864.24 : 5,794.43 = 1,890.02 : x
  2. Step 2: Convert to fraction form
    3,864.24/5,794.43 = 1,890.02/x
  3. Step 3: Cross multiply
    3,864.24x = 5,794.43 × 1,890.02
  4. Step 4: Simplify right side
    3,864.24x = 10,951,593.62
  5. Step 5: Solve for x
    x = 10,951,593.62/3,864.24
  6. Step 6: Final answer
    x = 2,834.08

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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.