Home / 2,542.51-3,815.24-1,372.51

Finding the Fourth Proportional to 2,542.51, 3,815.24 and 1,372.51

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Solution

The fourth proportional to 2,542.51, 3,815.24 and 1,372.51 is: 2,059.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,542.51 : 3,815.24 = 1,372.51 : x
  2. Step 2: Convert to fraction form
    2,542.51/3,815.24 = 1,372.51/x
  3. Step 3: Cross multiply
    2,542.51x = 3,815.24 × 1,372.51
  4. Step 4: Simplify right side
    2,542.51x = 5,236,455.05
  5. Step 5: Solve for x
    x = 5,236,455.05/2,542.51
  6. Step 6: Final answer
    x = 2,059.56

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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.