Home / 2,399.46-3,311.24-1,337.22

Finding the Fourth Proportional to 2,399.46, 3,311.24 and 1,337.22

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Solution

The fourth proportional to 2,399.46, 3,311.24 and 1,337.22 is: 1,845.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,399.46 : 3,311.24 = 1,337.22 : x
  2. Step 2: Convert to fraction form
    2,399.46/3,311.24 = 1,337.22/x
  3. Step 3: Cross multiply
    2,399.46x = 3,311.24 × 1,337.22
  4. Step 4: Simplify right side
    2,399.46x = 4,427,833.11
  5. Step 5: Solve for x
    x = 4,427,833.11/2,399.46
  6. Step 6: Final answer
    x = 1,845.35

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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.