Home / 3,199.59-4,797.75-1,118.97

Finding the Fourth Proportional to 3,199.59, 4,797.75 and 1,118.97

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Solution

The fourth proportional to 3,199.59, 4,797.75 and 1,118.97 is: 1,677.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,199.59 : 4,797.75 = 1,118.97 : x
  2. Step 2: Convert to fraction form
    3,199.59/4,797.75 = 1,118.97/x
  3. Step 3: Cross multiply
    3,199.59x = 4,797.75 × 1,118.97
  4. Step 4: Simplify right side
    3,199.59x = 5,368,538.32
  5. Step 5: Solve for x
    x = 5,368,538.32/3,199.59
  6. Step 6: Final answer
    x = 1,677.88

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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.