Home / 2,794.60-4,191.90-1,821.52

Finding the Fourth Proportional to 2,794.60, 4,191.90 and 1,821.52

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Solution

The fourth proportional to 2,794.60, 4,191.90 and 1,821.52 is: 2,732.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,794.60 : 4,191.90 = 1,821.52 : x
  2. Step 2: Convert to fraction form
    2,794.60/4,191.90 = 1,821.52/x
  3. Step 3: Cross multiply
    2,794.60x = 4,191.90 × 1,821.52
  4. Step 4: Simplify right side
    2,794.60x = 7,635,629.69
  5. Step 5: Solve for x
    x = 7,635,629.69/2,794.60
  6. Step 6: Final answer
    x = 2,732.28

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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.