Home / 3,985.56-5,982.12-1,795.32

Finding the Fourth Proportional to 3,985.56, 5,982.12 and 1,795.32

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Solution

The fourth proportional to 3,985.56, 5,982.12 and 1,795.32 is: 2,694.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,985.56 : 5,982.12 = 1,795.32 : x
  2. Step 2: Convert to fraction form
    3,985.56/5,982.12 = 1,795.32/x
  3. Step 3: Cross multiply
    3,985.56x = 5,982.12 × 1,795.32
  4. Step 4: Simplify right side
    3,985.56x = 10,739,819.68
  5. Step 5: Solve for x
    x = 10,739,819.68/3,985.56
  6. Step 6: Final answer
    x = 2,694.68

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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.