Home / 2,829.70-4,240.96-1,269.64

Finding the Fourth Proportional to 2,829.70, 4,240.96 and 1,269.64

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Solution

The fourth proportional to 2,829.70, 4,240.96 and 1,269.64 is: 1,902.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,829.70 : 4,240.96 = 1,269.64 : x
  2. Step 2: Convert to fraction form
    2,829.70/4,240.96 = 1,269.64/x
  3. Step 3: Cross multiply
    2,829.70x = 4,240.96 × 1,269.64
  4. Step 4: Simplify right side
    2,829.70x = 5,384,494.58
  5. Step 5: Solve for x
    x = 5,384,494.58/2,829.70
  6. Step 6: Final answer
    x = 1,902.85

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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.