Home / 3,240.30-4,861.23-1,049.03

Finding the Fourth Proportional to 3,240.30, 4,861.23 and 1,049.03

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Solution

The fourth proportional to 3,240.30, 4,861.23 and 1,049.03 is: 1,573.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,240.30 : 4,861.23 = 1,049.03 : x
  2. Step 2: Convert to fraction form
    3,240.30/4,861.23 = 1,049.03/x
  3. Step 3: Cross multiply
    3,240.30x = 4,861.23 × 1,049.03
  4. Step 4: Simplify right side
    3,240.30x = 5,099,570.86
  5. Step 5: Solve for x
    x = 5,099,570.86/3,240.30
  6. Step 6: Final answer
    x = 1,573.80

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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.