Home / 2,173.55-3,254.79-1,198.58

Finding the Fourth Proportional to 2,173.55, 3,254.79 and 1,198.58

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Solution

The fourth proportional to 2,173.55, 3,254.79 and 1,198.58 is: 1,794.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,173.55 : 3,254.79 = 1,198.58 : x
  2. Step 2: Convert to fraction form
    2,173.55/3,254.79 = 1,198.58/x
  3. Step 3: Cross multiply
    2,173.55x = 3,254.79 × 1,198.58
  4. Step 4: Simplify right side
    2,173.55x = 3,901,126.20
  5. Step 5: Solve for x
    x = 3,901,126.20/2,173.55
  6. Step 6: Final answer
    x = 1,794.82

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1.5x scale

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.