Home / 2,798.67-4,195.40-1,237.84

Finding the Fourth Proportional to 2,798.67, 4,195.40 and 1,237.84

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Solution

The fourth proportional to 2,798.67, 4,195.40 and 1,237.84 is: 1,855.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,798.67 : 4,195.40 = 1,237.84 : x
  2. Step 2: Convert to fraction form
    2,798.67/4,195.40 = 1,237.84/x
  3. Step 3: Cross multiply
    2,798.67x = 4,195.40 × 1,237.84
  4. Step 4: Simplify right side
    2,798.67x = 5,193,231.96
  5. Step 5: Solve for x
    x = 5,193,231.96/2,798.67
  6. Step 6: Final answer
    x = 1,855.61

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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.