Home / 3,377.60-5,066.96-1,185.76

Finding the Fourth Proportional to 3,377.60, 5,066.96 and 1,185.76

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Solution

The fourth proportional to 3,377.60, 5,066.96 and 1,185.76 is: 1,778.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,377.60 : 5,066.96 = 1,185.76 : x
  2. Step 2: Convert to fraction form
    3,377.60/5,066.96 = 1,185.76/x
  3. Step 3: Cross multiply
    3,377.60x = 5,066.96 × 1,185.76
  4. Step 4: Simplify right side
    3,377.60x = 6,008,198.49
  5. Step 5: Solve for x
    x = 6,008,198.49/3,377.60
  6. Step 6: Final answer
    x = 1,778.84

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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.