Home / 4,231.10-6,342.81-1,635.98

Finding the Fourth Proportional to 4,231.10, 6,342.81 and 1,635.98

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Solution

The fourth proportional to 4,231.10, 6,342.81 and 1,635.98 is: 2,452.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,231.10 : 6,342.81 = 1,635.98 : x
  2. Step 2: Convert to fraction form
    4,231.10/6,342.81 = 1,635.98/x
  3. Step 3: Cross multiply
    4,231.10x = 6,342.81 × 1,635.98
  4. Step 4: Simplify right side
    4,231.10x = 10,376,710.30
  5. Step 5: Solve for x
    x = 10,376,710.30/4,231.10
  6. Step 6: Final answer
    x = 2,452.49

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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.