Home / 3,433.68-5,151.29-1,242.41

Finding the Fourth Proportional to 3,433.68, 5,151.29 and 1,242.41

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Solution

The fourth proportional to 3,433.68, 5,151.29 and 1,242.41 is: 1,863.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,433.68 : 5,151.29 = 1,242.41 : x
  2. Step 2: Convert to fraction form
    3,433.68/5,151.29 = 1,242.41/x
  3. Step 3: Cross multiply
    3,433.68x = 5,151.29 × 1,242.41
  4. Step 4: Simplify right side
    3,433.68x = 6,399,998.72
  5. Step 5: Solve for x
    x = 6,399,998.72/3,433.68
  6. Step 6: Final answer
    x = 1,863.89

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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.