Home / 3,231.39-4,847.49-1,039.53

Finding the Fourth Proportional to 3,231.39, 4,847.49 and 1,039.53

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Solution

The fourth proportional to 3,231.39, 4,847.49 and 1,039.53 is: 1,559.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,231.39 : 4,847.49 = 1,039.53 : x
  2. Step 2: Convert to fraction form
    3,231.39/4,847.49 = 1,039.53/x
  3. Step 3: Cross multiply
    3,231.39x = 4,847.49 × 1,039.53
  4. Step 4: Simplify right side
    3,231.39x = 5,039,111.28
  5. Step 5: Solve for x
    x = 5,039,111.28/3,231.39
  6. Step 6: Final answer
    x = 1,559.43

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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.