Home / 2,006.12-3,010.20-910.34

Finding the Fourth Proportional to 2,006.12, 3,010.20 and 910.34

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Solution

The fourth proportional to 2,006.12, 3,010.20 and 910.34 is: 1,365.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,006.12 : 3,010.20 = 910.34 : x
  2. Step 2: Convert to fraction form
    2,006.12/3,010.20 = 910.34/x
  3. Step 3: Cross multiply
    2,006.12x = 3,010.20 × 910.34
  4. Step 4: Simplify right side
    2,006.12x = 2,740,305.47
  5. Step 5: Solve for x
    x = 2,740,305.47/2,006.12
  6. Step 6: Final answer
    x = 1,365.97

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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.