Home / 3,189.87-4,402.41-1,792.62

Finding the Fourth Proportional to 3,189.87, 4,402.41 and 1,792.62

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Solution

The fourth proportional to 3,189.87, 4,402.41 and 1,792.62 is: 2,474.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,189.87 : 4,402.41 = 1,792.62 : x
  2. Step 2: Convert to fraction form
    3,189.87/4,402.41 = 1,792.62/x
  3. Step 3: Cross multiply
    3,189.87x = 4,402.41 × 1,792.62
  4. Step 4: Simplify right side
    3,189.87x = 7,891,848.21
  5. Step 5: Solve for x
    x = 7,891,848.21/3,189.87
  6. Step 6: Final answer
    x = 2,474.03

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.