Home / 3,716.68-5,575.50-1,119.88

Finding the Fourth Proportional to 3,716.68, 5,575.50 and 1,119.88

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Solution

The fourth proportional to 3,716.68, 5,575.50 and 1,119.88 is: 1,679.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,716.68 : 5,575.50 = 1,119.88 : x
  2. Step 2: Convert to fraction form
    3,716.68/5,575.50 = 1,119.88/x
  3. Step 3: Cross multiply
    3,716.68x = 5,575.50 × 1,119.88
  4. Step 4: Simplify right side
    3,716.68x = 6,243,890.94
  5. Step 5: Solve for x
    x = 6,243,890.94/3,716.68
  6. Step 6: Final answer
    x = 1,679.96

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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.