Home / 3,487.82-4,812.93-1,996.26

Finding the Fourth Proportional to 3,487.82, 4,812.93 and 1,996.26

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Solution

The fourth proportional to 3,487.82, 4,812.93 and 1,996.26 is: 2,754.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,487.82 : 4,812.93 = 1,996.26 : x
  2. Step 2: Convert to fraction form
    3,487.82/4,812.93 = 1,996.26/x
  3. Step 3: Cross multiply
    3,487.82x = 4,812.93 × 1,996.26
  4. Step 4: Simplify right side
    3,487.82x = 9,607,859.64
  5. Step 5: Solve for x
    x = 9,607,859.64/3,487.82
  6. Step 6: Final answer
    x = 2,754.69

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.