Home / 2,399.37-3,310.38-1,900.41

Finding the Fourth Proportional to 2,399.37, 3,310.38 and 1,900.41

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Solution

The fourth proportional to 2,399.37, 3,310.38 and 1,900.41 is: 2,621.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,399.37 : 3,310.38 = 1,900.41 : x
  2. Step 2: Convert to fraction form
    2,399.37/3,310.38 = 1,900.41/x
  3. Step 3: Cross multiply
    2,399.37x = 3,310.38 × 1,900.41
  4. Step 4: Simplify right side
    2,399.37x = 6,291,079.26
  5. Step 5: Solve for x
    x = 6,291,079.26/2,399.37
  6. Step 6: Final answer
    x = 2,621.97

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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.