Home / 3,231.60-4,847.88-1,039.62

Finding the Fourth Proportional to 3,231.60, 4,847.88 and 1,039.62

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Solution

The fourth proportional to 3,231.60, 4,847.88 and 1,039.62 is: 1,559.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,231.60 : 4,847.88 = 1,039.62 : x
  2. Step 2: Convert to fraction form
    3,231.60/4,847.88 = 1,039.62/x
  3. Step 3: Cross multiply
    3,231.60x = 4,847.88 × 1,039.62
  4. Step 4: Simplify right side
    3,231.60x = 5,039,953.01
  5. Step 5: Solve for x
    x = 5,039,953.01/3,231.60
  6. Step 6: Final answer
    x = 1,559.58

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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.