Home / 2,599.26-3,899.92-1,138.64

Finding the Fourth Proportional to 2,599.26, 3,899.92 and 1,138.64

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Solution

The fourth proportional to 2,599.26, 3,899.92 and 1,138.64 is: 1,708.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,599.26 : 3,899.92 = 1,138.64 : x
  2. Step 2: Convert to fraction form
    2,599.26/3,899.92 = 1,138.64/x
  3. Step 3: Cross multiply
    2,599.26x = 3,899.92 × 1,138.64
  4. Step 4: Simplify right side
    2,599.26x = 4,440,604.91
  5. Step 5: Solve for x
    x = 4,440,604.91/2,599.26
  6. Step 6: Final answer
    x = 1,708.41

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.