Home / 3,234.56-4,851.84-2,145.88

Finding the Fourth Proportional to 3,234.56, 4,851.84 and 2,145.88

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Solution

The fourth proportional to 3,234.56, 4,851.84 and 2,145.88 is: 3,218.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,234.56 : 4,851.84 = 2,145.88 : x
  2. Step 2: Convert to fraction form
    3,234.56/4,851.84 = 2,145.88/x
  3. Step 3: Cross multiply
    3,234.56x = 4,851.84 × 2,145.88
  4. Step 4: Simplify right side
    3,234.56x = 10,411,466.42
  5. Step 5: Solve for x
    x = 10,411,466.42/3,234.56
  6. Step 6: Final answer
    x = 3,218.82

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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.