Home / 1,372.35-2,056.73-1,198.61

Finding the Fourth Proportional to 1,372.35, 2,056.73 and 1,198.61

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Solution

The fourth proportional to 1,372.35, 2,056.73 and 1,198.61 is: 1,796.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,372.35 : 2,056.73 = 1,198.61 : x
  2. Step 2: Convert to fraction form
    1,372.35/2,056.73 = 1,198.61/x
  3. Step 3: Cross multiply
    1,372.35x = 2,056.73 × 1,198.61
  4. Step 4: Simplify right side
    1,372.35x = 2,465,206.86
  5. Step 5: Solve for x
    x = 2,465,206.86/1,372.35
  6. Step 6: Final answer
    x = 1,796.34

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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.