Home / 2,544.80-3,817.66-1,311.88

Finding the Fourth Proportional to 2,544.80, 3,817.66 and 1,311.88

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Solution

The fourth proportional to 2,544.80, 3,817.66 and 1,311.88 is: 1,968.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,544.80 : 3,817.66 = 1,311.88 : x
  2. Step 2: Convert to fraction form
    2,544.80/3,817.66 = 1,311.88/x
  3. Step 3: Cross multiply
    2,544.80x = 3,817.66 × 1,311.88
  4. Step 4: Simplify right side
    2,544.80x = 5,008,298.98
  5. Step 5: Solve for x
    x = 5,008,298.98/2,544.80
  6. Step 6: Final answer
    x = 1,968.05

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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.