Home / 3,670.68-5,503.67-2,419.83

Finding the Fourth Proportional to 3,670.68, 5,503.67 and 2,419.83

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Solution

The fourth proportional to 3,670.68, 5,503.67 and 2,419.83 is: 3,628.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,670.68 : 5,503.67 = 2,419.83 : x
  2. Step 2: Convert to fraction form
    3,670.68/5,503.67 = 2,419.83/x
  3. Step 3: Cross multiply
    3,670.68x = 5,503.67 × 2,419.83
  4. Step 4: Simplify right side
    3,670.68x = 13,317,945.78
  5. Step 5: Solve for x
    x = 13,317,945.78/3,670.68
  6. Step 6: Final answer
    x = 3,628.20

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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.