Home / 3,154.87-4,353.92-1,757.62

Finding the Fourth Proportional to 3,154.87, 4,353.92 and 1,757.62

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Solution

The fourth proportional to 3,154.87, 4,353.92 and 1,757.62 is: 2,425.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,154.87 : 4,353.92 = 1,757.62 : x
  2. Step 2: Convert to fraction form
    3,154.87/4,353.92 = 1,757.62/x
  3. Step 3: Cross multiply
    3,154.87x = 4,353.92 × 1,757.62
  4. Step 4: Simplify right side
    3,154.87x = 7,652,536.87
  5. Step 5: Solve for x
    x = 7,652,536.87/3,154.87
  6. Step 6: Final answer
    x = 2,425.63

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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.