Home / 2,577.22-3,553.88-2,205.43

Finding the Fourth Proportional to 2,577.22, 3,553.88 and 2,205.43

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Solution

The fourth proportional to 2,577.22, 3,553.88 and 2,205.43 is: 3,041.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,577.22 : 3,553.88 = 2,205.43 : x
  2. Step 2: Convert to fraction form
    2,577.22/3,553.88 = 2,205.43/x
  3. Step 3: Cross multiply
    2,577.22x = 3,553.88 × 2,205.43
  4. Step 4: Simplify right side
    2,577.22x = 7,837,833.57
  5. Step 5: Solve for x
    x = 7,837,833.57/2,577.22
  6. Step 6: Final answer
    x = 3,041.20

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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.