Home / 3,371.87-5,057.55-1,423.88

Finding the Fourth Proportional to 3,371.87, 5,057.55 and 1,423.88

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Solution

The fourth proportional to 3,371.87, 5,057.55 and 1,423.88 is: 2,135.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,371.87 : 5,057.55 = 1,423.88 : x
  2. Step 2: Convert to fraction form
    3,371.87/5,057.55 = 1,423.88/x
  3. Step 3: Cross multiply
    3,371.87x = 5,057.55 × 1,423.88
  4. Step 4: Simplify right side
    3,371.87x = 7,201,319.01
  5. Step 5: Solve for x
    x = 7,201,319.01/3,371.87
  6. Step 6: Final answer
    x = 2,135.71

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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.