Home / 3,655.43-5,044.45-1,976.82

Finding the Fourth Proportional to 3,655.43, 5,044.45 and 1,976.82

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Solution

The fourth proportional to 3,655.43, 5,044.45 and 1,976.82 is: 2,727.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,655.43 : 5,044.45 = 1,976.82 : x
  2. Step 2: Convert to fraction form
    3,655.43/5,044.45 = 1,976.82/x
  3. Step 3: Cross multiply
    3,655.43x = 5,044.45 × 1,976.82
  4. Step 4: Simplify right side
    3,655.43x = 9,971,969.65
  5. Step 5: Solve for x
    x = 9,971,969.65/3,655.43
  6. Step 6: Final answer
    x = 2,727.99

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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.