Home / 3,684.16-5,083.56-2,112.04

Finding the Fourth Proportional to 3,684.16, 5,083.56 and 2,112.04

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Solution

The fourth proportional to 3,684.16, 5,083.56 and 2,112.04 is: 2,914.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,684.16 : 5,083.56 = 2,112.04 : x
  2. Step 2: Convert to fraction form
    3,684.16/5,083.56 = 2,112.04/x
  3. Step 3: Cross multiply
    3,684.16x = 5,083.56 × 2,112.04
  4. Step 4: Simplify right side
    3,684.16x = 10,736,682.06
  5. Step 5: Solve for x
    x = 10,736,682.06/3,684.16
  6. Step 6: Final answer
    x = 2,914.28

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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.