Home / 2,399.19-3,310.55-1,351.27

Finding the Fourth Proportional to 2,399.19, 3,310.55 and 1,351.27

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Solution

The fourth proportional to 2,399.19, 3,310.55 and 1,351.27 is: 1,864.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,399.19 : 3,310.55 = 1,351.27 : x
  2. Step 2: Convert to fraction form
    2,399.19/3,310.55 = 1,351.27/x
  3. Step 3: Cross multiply
    2,399.19x = 3,310.55 × 1,351.27
  4. Step 4: Simplify right side
    2,399.19x = 4,473,440.14
  5. Step 5: Solve for x
    x = 4,473,440.14/2,399.19
  6. Step 6: Final answer
    x = 1,864.57

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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.