Home / 1,456.26-2,184.39-360.65

Finding the Fourth Proportional to 1,456.26, 2,184.39 and 360.65

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Solution

The fourth proportional to 1,456.26, 2,184.39 and 360.65 is: 540.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,456.26 : 2,184.39 = 360.65 : x
  2. Step 2: Convert to fraction form
    1,456.26/2,184.39 = 360.65/x
  3. Step 3: Cross multiply
    1,456.26x = 2,184.39 × 360.65
  4. Step 4: Simplify right side
    1,456.26x = 787,789.33
  5. Step 5: Solve for x
    x = 787,789.33/1,456.26
  6. Step 6: Final answer
    x = 540.97

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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.