Home / 2,655.23-3,656.79-2,597.85

Finding the Fourth Proportional to 2,655.23, 3,656.79 and 2,597.85

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Solution

The fourth proportional to 2,655.23, 3,656.79 and 2,597.85 is: 3,577.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,655.23 : 3,656.79 = 2,597.85 : x
  2. Step 2: Convert to fraction form
    2,655.23/3,656.79 = 2,597.85/x
  3. Step 3: Cross multiply
    2,655.23x = 3,656.79 × 2,597.85
  4. Step 4: Simplify right side
    2,655.23x = 9,499,791.90
  5. Step 5: Solve for x
    x = 9,499,791.90/2,655.23
  6. Step 6: Final answer
    x = 3,577.77

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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.