Home / 3,264.09-4,507.62-2,789.19

Finding the Fourth Proportional to 3,264.09, 4,507.62 and 2,789.19

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Solution

The fourth proportional to 3,264.09, 4,507.62 and 2,789.19 is: 3,851.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,264.09 : 4,507.62 = 2,789.19 : x
  2. Step 2: Convert to fraction form
    3,264.09/4,507.62 = 2,789.19/x
  3. Step 3: Cross multiply
    3,264.09x = 4,507.62 × 2,789.19
  4. Step 4: Simplify right side
    3,264.09x = 12,572,608.63
  5. Step 5: Solve for x
    x = 12,572,608.63/3,264.09
  6. Step 6: Final answer
    x = 3,851.80

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.