Home / 3,664.66-5,499.96-1,815.70

Finding the Fourth Proportional to 3,664.66, 5,499.96 and 1,815.70

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Solution

The fourth proportional to 3,664.66, 5,499.96 and 1,815.70 is: 2,725.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,664.66 : 5,499.96 = 1,815.70 : x
  2. Step 2: Convert to fraction form
    3,664.66/5,499.96 = 1,815.70/x
  3. Step 3: Cross multiply
    3,664.66x = 5,499.96 × 1,815.70
  4. Step 4: Simplify right side
    3,664.66x = 9,986,277.37
  5. Step 5: Solve for x
    x = 9,986,277.37/3,664.66
  6. Step 6: Final answer
    x = 2,725.02

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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.