Home / 3,643.82-5,465.71-2,909.96

Finding the Fourth Proportional to 3,643.82, 5,465.71 and 2,909.96

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Solution

The fourth proportional to 3,643.82, 5,465.71 and 2,909.96 is: 4,364.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,643.82 : 5,465.71 = 2,909.96 : x
  2. Step 2: Convert to fraction form
    3,643.82/5,465.71 = 2,909.96/x
  3. Step 3: Cross multiply
    3,643.82x = 5,465.71 × 2,909.96
  4. Step 4: Simplify right side
    3,643.82x = 15,904,997.47
  5. Step 5: Solve for x
    x = 15,904,997.47/3,643.82
  6. Step 6: Final answer
    x = 4,364.92

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.