Home / 3,468.42-4,786.91-1,976.48

Finding the Fourth Proportional to 3,468.42, 4,786.91 and 1,976.48

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Solution

The fourth proportional to 3,468.42, 4,786.91 and 1,976.48 is: 2,727.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,468.42 : 4,786.91 = 1,976.48 : x
  2. Step 2: Convert to fraction form
    3,468.42/4,786.91 = 1,976.48/x
  3. Step 3: Cross multiply
    3,468.42x = 4,786.91 × 1,976.48
  4. Step 4: Simplify right side
    3,468.42x = 9,461,223.42
  5. Step 5: Solve for x
    x = 9,461,223.42/3,468.42
  6. Step 6: Final answer
    x = 2,727.82

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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.