Home / 1,633.23-2,449.85-400.65

Finding the Fourth Proportional to 1,633.23, 2,449.85 and 400.65

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Solution

The fourth proportional to 1,633.23, 2,449.85 and 400.65 is: 600.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,633.23 : 2,449.85 = 400.65 : x
  2. Step 2: Convert to fraction form
    1,633.23/2,449.85 = 400.65/x
  3. Step 3: Cross multiply
    1,633.23x = 2,449.85 × 400.65
  4. Step 4: Simplify right side
    1,633.23x = 981,521.21
  5. Step 5: Solve for x
    x = 981,521.21/1,633.23
  6. Step 6: Final answer
    x = 600.97

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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.