Home / 3,900.29-5,850.45-1,709.03

Finding the Fourth Proportional to 3,900.29, 5,850.45 and 1,709.03

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Solution

The fourth proportional to 3,900.29, 5,850.45 and 1,709.03 is: 2,563.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,900.29 : 5,850.45 = 1,709.03 : x
  2. Step 2: Convert to fraction form
    3,900.29/5,850.45 = 1,709.03/x
  3. Step 3: Cross multiply
    3,900.29x = 5,850.45 × 1,709.03
  4. Step 4: Simplify right side
    3,900.29x = 9,998,594.56
  5. Step 5: Solve for x
    x = 9,998,594.56/3,900.29
  6. Step 6: Final answer
    x = 2,563.55

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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.