Home / 2,215.30-3,324.12-1,694.98

Finding the Fourth Proportional to 2,215.30, 3,324.12 and 1,694.98

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Solution

The fourth proportional to 2,215.30, 3,324.12 and 1,694.98 is: 2,543.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,215.30 : 3,324.12 = 1,694.98 : x
  2. Step 2: Convert to fraction form
    2,215.30/3,324.12 = 1,694.98/x
  3. Step 3: Cross multiply
    2,215.30x = 3,324.12 × 1,694.98
  4. Step 4: Simplify right side
    2,215.30x = 5,634,316.92
  5. Step 5: Solve for x
    x = 5,634,316.92/2,215.30
  6. Step 6: Final answer
    x = 2,543.37

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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.