Home / 3,539.22-5,309.32-1,199.90

Finding the Fourth Proportional to 3,539.22, 5,309.32 and 1,199.90

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Solution

The fourth proportional to 3,539.22, 5,309.32 and 1,199.90 is: 1,800.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,539.22 : 5,309.32 = 1,199.90 : x
  2. Step 2: Convert to fraction form
    3,539.22/5,309.32 = 1,199.90/x
  3. Step 3: Cross multiply
    3,539.22x = 5,309.32 × 1,199.90
  4. Step 4: Simplify right side
    3,539.22x = 6,370,653.07
  5. Step 5: Solve for x
    x = 6,370,653.07/3,539.22
  6. Step 6: Final answer
    x = 1,800.02

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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.