Home / 2,231.48-3,345.24-997.95

Finding the Fourth Proportional to 2,231.48, 3,345.24 and 997.95

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Solution

The fourth proportional to 2,231.48, 3,345.24 and 997.95 is: 1,496.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,231.48 : 3,345.24 = 997.95 : x
  2. Step 2: Convert to fraction form
    2,231.48/3,345.24 = 997.95/x
  3. Step 3: Cross multiply
    2,231.48x = 3,345.24 × 997.95
  4. Step 4: Simplify right side
    2,231.48x = 3,338,382.26
  5. Step 5: Solve for x
    x = 3,338,382.26/2,231.48
  6. Step 6: Final answer
    x = 1,496.04

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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.