Home / 3,740.27-5,164.31-2,998.31

Finding the Fourth Proportional to 3,740.27, 5,164.31 and 2,998.31

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Solution

The fourth proportional to 3,740.27, 5,164.31 and 2,998.31 is: 4,139.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,740.27 : 5,164.31 = 2,998.31 : x
  2. Step 2: Convert to fraction form
    3,740.27/5,164.31 = 2,998.31/x
  3. Step 3: Cross multiply
    3,740.27x = 5,164.31 × 2,998.31
  4. Step 4: Simplify right side
    3,740.27x = 15,484,183.99
  5. Step 5: Solve for x
    x = 15,484,183.99/3,740.27
  6. Step 6: Final answer
    x = 4,139.86

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1.5x scale

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.