Home / 3,623-5,434.38-1,157.96

Finding the Fourth Proportional to 3,623, 5,434.38 and 1,157.96

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Solution

The fourth proportional to 3,623, 5,434.38 and 1,157.96 is: 1,736.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,623 : 5,434.38 = 1,157.96 : x
  2. Step 2: Convert to fraction form
    3,623/5,434.38 = 1,157.96/x
  3. Step 3: Cross multiply
    3,623x = 5,434.38 × 1,157.96
  4. Step 4: Simplify right side
    3,623x = 6,292,794.66
  5. Step 5: Solve for x
    x = 6,292,794.66/3,623
  6. Step 6: Final answer
    x = 1,736.90

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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.