Home / 1,198.84-1,799.46-1,076.26

Finding the Fourth Proportional to 1,198.84, 1,799.46 and 1,076.26

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Solution

The fourth proportional to 1,198.84, 1,799.46 and 1,076.26 is: 1,615.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,198.84 : 1,799.46 = 1,076.26 : x
  2. Step 2: Convert to fraction form
    1,198.84/1,799.46 = 1,076.26/x
  3. Step 3: Cross multiply
    1,198.84x = 1,799.46 × 1,076.26
  4. Step 4: Simplify right side
    1,198.84x = 1,936,686.82
  5. Step 5: Solve for x
    x = 1,936,686.82/1,198.84
  6. Step 6: Final answer
    x = 1,615.47

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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.