Home / 2,751.27-4,124.85-1,655.38

Finding the Fourth Proportional to 2,751.27, 4,124.85 and 1,655.38

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Solution

The fourth proportional to 2,751.27, 4,124.85 and 1,655.38 is: 2,481.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,751.27 : 4,124.85 = 1,655.38 : x
  2. Step 2: Convert to fraction form
    2,751.27/4,124.85 = 1,655.38/x
  3. Step 3: Cross multiply
    2,751.27x = 4,124.85 × 1,655.38
  4. Step 4: Simplify right side
    2,751.27x = 6,828,169.43
  5. Step 5: Solve for x
    x = 6,828,169.43/2,751.27
  6. Step 6: Final answer
    x = 2,481.83

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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.