Home / 3,231.29-4,847.55-1,039.43

Finding the Fourth Proportional to 3,231.29, 4,847.55 and 1,039.43

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Solution

The fourth proportional to 3,231.29, 4,847.55 and 1,039.43 is: 1,559.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,231.29 : 4,847.55 = 1,039.43 : x
  2. Step 2: Convert to fraction form
    3,231.29/4,847.55 = 1,039.43/x
  3. Step 3: Cross multiply
    3,231.29x = 4,847.55 × 1,039.43
  4. Step 4: Simplify right side
    3,231.29x = 5,038,697.12
  5. Step 5: Solve for x
    x = 5,038,697.12/3,231.29
  6. Step 6: Final answer
    x = 1,559.34

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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.