Home / 2,741.55-4,114.35-1,816.80

Finding the Fourth Proportional to 2,741.55, 4,114.35 and 1,816.80

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Solution

The fourth proportional to 2,741.55, 4,114.35 and 1,816.80 is: 2,726.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,741.55 : 4,114.35 = 1,816.80 : x
  2. Step 2: Convert to fraction form
    2,741.55/4,114.35 = 1,816.80/x
  3. Step 3: Cross multiply
    2,741.55x = 4,114.35 × 1,816.80
  4. Step 4: Simplify right side
    2,741.55x = 7,474,951.08
  5. Step 5: Solve for x
    x = 7,474,951.08/2,741.55
  6. Step 6: Final answer
    x = 2,726.54

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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.