Home / 3,965.52-5,475.30-2,641.98

Finding the Fourth Proportional to 3,965.52, 5,475.30 and 2,641.98

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Solution

The fourth proportional to 3,965.52, 5,475.30 and 2,641.98 is: 3,647.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,965.52 : 5,475.30 = 2,641.98 : x
  2. Step 2: Convert to fraction form
    3,965.52/5,475.30 = 2,641.98/x
  3. Step 3: Cross multiply
    3,965.52x = 5,475.30 × 2,641.98
  4. Step 4: Simplify right side
    3,965.52x = 14,465,633.09
  5. Step 5: Solve for x
    x = 14,465,633.09/3,965.52
  6. Step 6: Final answer
    x = 3,647.85

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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.