Home / 2,842.09-4,260.62-1,109.41

Finding the Fourth Proportional to 2,842.09, 4,260.62 and 1,109.41

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Solution

The fourth proportional to 2,842.09, 4,260.62 and 1,109.41 is: 1,663.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,842.09 : 4,260.62 = 1,109.41 : x
  2. Step 2: Convert to fraction form
    2,842.09/4,260.62 = 1,109.41/x
  3. Step 3: Cross multiply
    2,842.09x = 4,260.62 × 1,109.41
  4. Step 4: Simplify right side
    2,842.09x = 4,726,768.89
  5. Step 5: Solve for x
    x = 4,726,768.89/2,842.09
  6. Step 6: Final answer
    x = 1,663.13

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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.