Home / 2,744.69-4,120.45-2,288.05

Finding the Fourth Proportional to 2,744.69, 4,120.45 and 2,288.05

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Solution

The fourth proportional to 2,744.69, 4,120.45 and 2,288.05 is: 3,434.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,744.69 : 4,120.45 = 2,288.05 : x
  2. Step 2: Convert to fraction form
    2,744.69/4,120.45 = 2,288.05/x
  3. Step 3: Cross multiply
    2,744.69x = 4,120.45 × 2,288.05
  4. Step 4: Simplify right side
    2,744.69x = 9,427,779.60
  5. Step 5: Solve for x
    x = 9,427,779.60/2,744.69
  6. Step 6: Final answer
    x = 3,434.92

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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.