Home / 1,816.41-2,725.65-1,511.96

Finding the Fourth Proportional to 1,816.41, 2,725.65 and 1,511.96

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Solution

The fourth proportional to 1,816.41, 2,725.65 and 1,511.96 is: 2,268.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,816.41 : 2,725.65 = 1,511.96 : x
  2. Step 2: Convert to fraction form
    1,816.41/2,725.65 = 1,511.96/x
  3. Step 3: Cross multiply
    1,816.41x = 2,725.65 × 1,511.96
  4. Step 4: Simplify right side
    1,816.41x = 4,121,060.15
  5. Step 5: Solve for x
    x = 4,121,060.15/1,816.41
  6. Step 6: Final answer
    x = 2,268.79

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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.