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Finding the Fourth Proportional to 3,996.58, 5,995.78 and 1,223.47

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Solution

The fourth proportional to 3,996.58, 5,995.78 and 1,223.47 is: 1,835.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,996.58 : 5,995.78 = 1,223.47 : x
  2. Step 2: Convert to fraction form
    3,996.58/5,995.78 = 1,223.47/x
  3. Step 3: Cross multiply
    3,996.58x = 5,995.78 × 1,223.47
  4. Step 4: Simplify right side
    3,996.58x = 7,335,656.96
  5. Step 5: Solve for x
    x = 7,335,656.96/3,996.58
  6. Step 6: Final answer
    x = 1,835.48

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1.5x scale

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.