Home / 2,678.24-4,016.94-730.59

Finding the Fourth Proportional to 2,678.24, 4,016.94 and 730.59

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Solution

The fourth proportional to 2,678.24, 4,016.94 and 730.59 is: 1,095.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,678.24 : 4,016.94 = 730.59 : x
  2. Step 2: Convert to fraction form
    2,678.24/4,016.94 = 730.59/x
  3. Step 3: Cross multiply
    2,678.24x = 4,016.94 × 730.59
  4. Step 4: Simplify right side
    2,678.24x = 2,934,736.19
  5. Step 5: Solve for x
    x = 2,934,736.19/2,678.24
  6. Step 6: Final answer
    x = 1,095.77

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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.