Home / 3,435.98-5,149.26-1,789.12

Finding the Fourth Proportional to 3,435.98, 5,149.26 and 1,789.12

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Solution

The fourth proportional to 3,435.98, 5,149.26 and 1,789.12 is: 2,681.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,435.98 : 5,149.26 = 1,789.12 : x
  2. Step 2: Convert to fraction form
    3,435.98/5,149.26 = 1,789.12/x
  3. Step 3: Cross multiply
    3,435.98x = 5,149.26 × 1,789.12
  4. Step 4: Simplify right side
    3,435.98x = 9,212,609.36
  5. Step 5: Solve for x
    x = 9,212,609.36/3,435.98
  6. Step 6: Final answer
    x = 2,681.22

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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.