Home / 3,231.50-4,847.34-1,040.42

Finding the Fourth Proportional to 3,231.50, 4,847.34 and 1,040.42

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Solution

The fourth proportional to 3,231.50, 4,847.34 and 1,040.42 is: 1,560.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,231.50 : 4,847.34 = 1,040.42 : x
  2. Step 2: Convert to fraction form
    3,231.50/4,847.34 = 1,040.42/x
  3. Step 3: Cross multiply
    3,231.50x = 4,847.34 × 1,040.42
  4. Step 4: Simplify right side
    3,231.50x = 5,043,269.48
  5. Step 5: Solve for x
    x = 5,043,269.48/3,231.50
  6. Step 6: Final answer
    x = 1,560.66

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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.