Home / 2,789.57-4,182.73-1,490.33

Finding the Fourth Proportional to 2,789.57, 4,182.73 and 1,490.33

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Solution

The fourth proportional to 2,789.57, 4,182.73 and 1,490.33 is: 2,234.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,789.57 : 4,182.73 = 1,490.33 : x
  2. Step 2: Convert to fraction form
    2,789.57/4,182.73 = 1,490.33/x
  3. Step 3: Cross multiply
    2,789.57x = 4,182.73 × 1,490.33
  4. Step 4: Simplify right side
    2,789.57x = 6,233,619.64
  5. Step 5: Solve for x
    x = 6,233,619.64/2,789.57
  6. Step 6: Final answer
    x = 2,234.62

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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.