Home / 3,716.68-5,575.56-1,119.82

Finding the Fourth Proportional to 3,716.68, 5,575.56 and 1,119.82

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Solution

The fourth proportional to 3,716.68, 5,575.56 and 1,119.82 is: 1,679.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,716.68 : 5,575.56 = 1,119.82 : x
  2. Step 2: Convert to fraction form
    3,716.68/5,575.56 = 1,119.82/x
  3. Step 3: Cross multiply
    3,716.68x = 5,575.56 × 1,119.82
  4. Step 4: Simplify right side
    3,716.68x = 6,243,623.60
  5. Step 5: Solve for x
    x = 6,243,623.60/3,716.68
  6. Step 6: Final answer
    x = 1,679.89

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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.