Home / 2,399.52-3,311.38-1,351.60

Finding the Fourth Proportional to 2,399.52, 3,311.38 and 1,351.60

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Solution

The fourth proportional to 2,399.52, 3,311.38 and 1,351.60 is: 1,865.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,399.52 : 3,311.38 = 1,351.60 : x
  2. Step 2: Convert to fraction form
    2,399.52/3,311.38 = 1,351.60/x
  3. Step 3: Cross multiply
    2,399.52x = 3,311.38 × 1,351.60
  4. Step 4: Simplify right side
    2,399.52x = 4,475,661.21
  5. Step 5: Solve for x
    x = 4,475,661.21/2,399.52
  6. Step 6: Final answer
    x = 1,865.23

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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.