Home / 2,399.47-3,310.90-1,351.33

Finding the Fourth Proportional to 2,399.47, 3,310.90 and 1,351.33

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Solution

The fourth proportional to 2,399.47, 3,310.90 and 1,351.33 is: 1,864.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,399.47 : 3,310.90 = 1,351.33 : x
  2. Step 2: Convert to fraction form
    2,399.47/3,310.90 = 1,351.33/x
  3. Step 3: Cross multiply
    2,399.47x = 3,310.90 × 1,351.33
  4. Step 4: Simplify right side
    2,399.47x = 4,474,106.84
  5. Step 5: Solve for x
    x = 4,474,106.84/2,399.47
  6. Step 6: Final answer
    x = 1,864.62

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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.