Home / 3,766.12-5,648.64-1,817.80

Finding the Fourth Proportional to 3,766.12, 5,648.64 and 1,817.80

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Solution

The fourth proportional to 3,766.12, 5,648.64 and 1,817.80 is: 2,726.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,766.12 : 5,648.64 = 1,817.80 : x
  2. Step 2: Convert to fraction form
    3,766.12/5,648.64 = 1,817.80/x
  3. Step 3: Cross multiply
    3,766.12x = 5,648.64 × 1,817.80
  4. Step 4: Simplify right side
    3,766.12x = 10,268,097.79
  5. Step 5: Solve for x
    x = 10,268,097.79/3,766.12
  6. Step 6: Final answer
    x = 2,726.44

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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.