Home / 2,513.20-3,467.94-1,393.96

Finding the Fourth Proportional to 2,513.20, 3,467.94 and 1,393.96

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Solution

The fourth proportional to 2,513.20, 3,467.94 and 1,393.96 is: 1,923.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,513.20 : 3,467.94 = 1,393.96 : x
  2. Step 2: Convert to fraction form
    2,513.20/3,467.94 = 1,393.96/x
  3. Step 3: Cross multiply
    2,513.20x = 3,467.94 × 1,393.96
  4. Step 4: Simplify right side
    2,513.20x = 4,834,169.64
  5. Step 5: Solve for x
    x = 4,834,169.64/2,513.20
  6. Step 6: Final answer
    x = 1,923.51

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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.