Home / 2,010.52-3,020.40-1,418.90

Finding the Fourth Proportional to 2,010.52, 3,020.40 and 1,418.90

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Solution

The fourth proportional to 2,010.52, 3,020.40 and 1,418.90 is: 2,131.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,010.52 : 3,020.40 = 1,418.90 : x
  2. Step 2: Convert to fraction form
    2,010.52/3,020.40 = 1,418.90/x
  3. Step 3: Cross multiply
    2,010.52x = 3,020.40 × 1,418.90
  4. Step 4: Simplify right side
    2,010.52x = 4,285,645.56
  5. Step 5: Solve for x
    x = 4,285,645.56/2,010.52
  6. Step 6: Final answer
    x = 2,131.61

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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.