Home / 2,849.09-4,269.64-1,092.20

Finding the Fourth Proportional to 2,849.09, 4,269.64 and 1,092.20

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Solution

The fourth proportional to 2,849.09, 4,269.64 and 1,092.20 is: 1,636.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,849.09 : 4,269.64 = 1,092.20 : x
  2. Step 2: Convert to fraction form
    2,849.09/4,269.64 = 1,092.20/x
  3. Step 3: Cross multiply
    2,849.09x = 4,269.64 × 1,092.20
  4. Step 4: Simplify right side
    2,849.09x = 4,663,300.81
  5. Step 5: Solve for x
    x = 4,663,300.81/2,849.09
  6. Step 6: Final answer
    x = 1,636.77

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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.