Home / 2,577.12-3,553.44-1,808.64

Finding the Fourth Proportional to 2,577.12, 3,553.44 and 1,808.64

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Solution

The fourth proportional to 2,577.12, 3,553.44 and 1,808.64 is: 2,493.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,577.12 : 3,553.44 = 1,808.64 : x
  2. Step 2: Convert to fraction form
    2,577.12/3,553.44 = 1,808.64/x
  3. Step 3: Cross multiply
    2,577.12x = 3,553.44 × 1,808.64
  4. Step 4: Simplify right side
    2,577.12x = 6,426,893.72
  5. Step 5: Solve for x
    x = 6,426,893.72/2,577.12
  6. Step 6: Final answer
    x = 2,493.83

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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.