Home / 3,680.91-5,077.44-2,684.97

Finding the Fourth Proportional to 3,680.91, 5,077.44 and 2,684.97

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Solution

The fourth proportional to 3,680.91, 5,077.44 and 2,684.97 is: 3,703.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,680.91 : 5,077.44 = 2,684.97 : x
  2. Step 2: Convert to fraction form
    3,680.91/5,077.44 = 2,684.97/x
  3. Step 3: Cross multiply
    3,680.91x = 5,077.44 × 2,684.97
  4. Step 4: Simplify right side
    3,680.91x = 13,632,774.08
  5. Step 5: Solve for x
    x = 13,632,774.08/3,680.91
  6. Step 6: Final answer
    x = 3,703.64

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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.