Home / 3,199.35-4,797.81-1,118.76

Finding the Fourth Proportional to 3,199.35, 4,797.81 and 1,118.76

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Solution

The fourth proportional to 3,199.35, 4,797.81 and 1,118.76 is: 1,677.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,199.35 : 4,797.81 = 1,118.76 : x
  2. Step 2: Convert to fraction form
    3,199.35/4,797.81 = 1,118.76/x
  3. Step 3: Cross multiply
    3,199.35x = 4,797.81 × 1,118.76
  4. Step 4: Simplify right side
    3,199.35x = 5,367,597.92
  5. Step 5: Solve for x
    x = 5,367,597.92/3,199.35
  6. Step 6: Final answer
    x = 1,677.72

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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.