Home / 2,659.73-3,988.58-1,197.90

Finding the Fourth Proportional to 2,659.73, 3,988.58 and 1,197.90

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Solution

The fourth proportional to 2,659.73, 3,988.58 and 1,197.90 is: 1,796.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,659.73 : 3,988.58 = 1,197.90 : x
  2. Step 2: Convert to fraction form
    2,659.73/3,988.58 = 1,197.90/x
  3. Step 3: Cross multiply
    2,659.73x = 3,988.58 × 1,197.90
  4. Step 4: Simplify right side
    2,659.73x = 4,777,913.99
  5. Step 5: Solve for x
    x = 4,777,913.99/2,659.73
  6. Step 6: Final answer
    x = 1,796.39

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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.