Home / 3,468.47-4,786.64-1,896.66

Finding the Fourth Proportional to 3,468.47, 4,786.64 and 1,896.66

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Solution

The fourth proportional to 3,468.47, 4,786.64 and 1,896.66 is: 2,617.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,468.47 : 4,786.64 = 1,896.66 : x
  2. Step 2: Convert to fraction form
    3,468.47/4,786.64 = 1,896.66/x
  3. Step 3: Cross multiply
    3,468.47x = 4,786.64 × 1,896.66
  4. Step 4: Simplify right side
    3,468.47x = 9,078,619.14
  5. Step 5: Solve for x
    x = 9,078,619.14/3,468.47
  6. Step 6: Final answer
    x = 2,617.47

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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.