Home / 2,704.55-4,053.92-1,318.82

Finding the Fourth Proportional to 2,704.55, 4,053.92 and 1,318.82

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Solution

The fourth proportional to 2,704.55, 4,053.92 and 1,318.82 is: 1,976.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,704.55 : 4,053.92 = 1,318.82 : x
  2. Step 2: Convert to fraction form
    2,704.55/4,053.92 = 1,318.82/x
  3. Step 3: Cross multiply
    2,704.55x = 4,053.92 × 1,318.82
  4. Step 4: Simplify right side
    2,704.55x = 5,346,363.91
  5. Step 5: Solve for x
    x = 5,346,363.91/2,704.55
  6. Step 6: Final answer
    x = 1,976.81

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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.