Home / 3,493.13-5,239.69-1,412.44

Finding the Fourth Proportional to 3,493.13, 5,239.69 and 1,412.44

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Solution

The fourth proportional to 3,493.13, 5,239.69 and 1,412.44 is: 2,118.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,493.13 : 5,239.69 = 1,412.44 : x
  2. Step 2: Convert to fraction form
    3,493.13/5,239.69 = 1,412.44/x
  3. Step 3: Cross multiply
    3,493.13x = 5,239.69 × 1,412.44
  4. Step 4: Simplify right side
    3,493.13x = 7,400,731.11
  5. Step 5: Solve for x
    x = 7,400,731.11/3,493.13
  6. Step 6: Final answer
    x = 2,118.66

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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.