Home / 3,684.04-5,078.77-2,634.28

Finding the Fourth Proportional to 3,684.04, 5,078.77 and 2,634.28

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Solution

The fourth proportional to 3,684.04, 5,078.77 and 2,634.28 is: 3,631.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,684.04 : 5,078.77 = 2,634.28 : x
  2. Step 2: Convert to fraction form
    3,684.04/5,078.77 = 2,634.28/x
  3. Step 3: Cross multiply
    3,684.04x = 5,078.77 × 2,634.28
  4. Step 4: Simplify right side
    3,684.04x = 13,378,902.24
  5. Step 5: Solve for x
    x = 13,378,902.24/3,684.04
  6. Step 6: Final answer
    x = 3,631.58

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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.