Home / 2,669.27-4,003.92-1,208.30

Finding the Fourth Proportional to 2,669.27, 4,003.92 and 1,208.30

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Solution

The fourth proportional to 2,669.27, 4,003.92 and 1,208.30 is: 1,812.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,669.27 : 4,003.92 = 1,208.30 : x
  2. Step 2: Convert to fraction form
    2,669.27/4,003.92 = 1,208.30/x
  3. Step 3: Cross multiply
    2,669.27x = 4,003.92 × 1,208.30
  4. Step 4: Simplify right side
    2,669.27x = 4,837,916.52
  5. Step 5: Solve for x
    x = 4,837,916.52/2,669.27
  6. Step 6: Final answer
    x = 1,812.45

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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.