Home / 3,234.88-4,851.30-2,145.02

Finding the Fourth Proportional to 3,234.88, 4,851.30 and 2,145.02

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Solution

The fourth proportional to 3,234.88, 4,851.30 and 2,145.02 is: 3,216.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,234.88 : 4,851.30 = 2,145.02 : x
  2. Step 2: Convert to fraction form
    3,234.88/4,851.30 = 2,145.02/x
  3. Step 3: Cross multiply
    3,234.88x = 4,851.30 × 2,145.02
  4. Step 4: Simplify right side
    3,234.88x = 10,406,124.80
  5. Step 5: Solve for x
    x = 10,406,124.80/3,234.88
  6. Step 6: Final answer
    x = 3,216.86

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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.