Home / 2,745.10-4,118.10-1,513.09

Finding the Fourth Proportional to 2,745.10, 4,118.10 and 1,513.09

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Solution

The fourth proportional to 2,745.10, 4,118.10 and 1,513.09 is: 2,269.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,745.10 : 4,118.10 = 1,513.09 : x
  2. Step 2: Convert to fraction form
    2,745.10/4,118.10 = 1,513.09/x
  3. Step 3: Cross multiply
    2,745.10x = 4,118.10 × 1,513.09
  4. Step 4: Simplify right side
    2,745.10x = 6,231,055.93
  5. Step 5: Solve for x
    x = 6,231,055.93/2,745.10
  6. Step 6: Final answer
    x = 2,269.88

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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.