Home / 3,493.22-5,240.88-1,412.82

Finding the Fourth Proportional to 3,493.22, 5,240.88 and 1,412.82

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Solution

The fourth proportional to 3,493.22, 5,240.88 and 1,412.82 is: 2,119.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,493.22 : 5,240.88 = 1,412.82 : x
  2. Step 2: Convert to fraction form
    3,493.22/5,240.88 = 1,412.82/x
  3. Step 3: Cross multiply
    3,493.22x = 5,240.88 × 1,412.82
  4. Step 4: Simplify right side
    3,493.22x = 7,404,420.08
  5. Step 5: Solve for x
    x = 7,404,420.08/3,493.22
  6. Step 6: Final answer
    x = 2,119.66

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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.