Home / 3,677.39-5,076.43-2,185.79

Finding the Fourth Proportional to 3,677.39, 5,076.43 and 2,185.79

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Solution

The fourth proportional to 3,677.39, 5,076.43 and 2,185.79 is: 3,017.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,677.39 : 5,076.43 = 2,185.79 : x
  2. Step 2: Convert to fraction form
    3,677.39/5,076.43 = 2,185.79/x
  3. Step 3: Cross multiply
    3,677.39x = 5,076.43 × 2,185.79
  4. Step 4: Simplify right side
    3,677.39x = 11,095,979.08
  5. Step 5: Solve for x
    x = 11,095,979.08/3,677.39
  6. Step 6: Final answer
    x = 3,017.36

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1.5x scale

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.