Home / 3,392.25-4,680.91-1,976.25

Finding the Fourth Proportional to 3,392.25, 4,680.91 and 1,976.25

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Solution

The fourth proportional to 3,392.25, 4,680.91 and 1,976.25 is: 2,726.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,392.25 : 4,680.91 = 1,976.25 : x
  2. Step 2: Convert to fraction form
    3,392.25/4,680.91 = 1,976.25/x
  3. Step 3: Cross multiply
    3,392.25x = 4,680.91 × 1,976.25
  4. Step 4: Simplify right side
    3,392.25x = 9,250,633.30
  5. Step 5: Solve for x
    x = 9,250,633.30/3,392.25
  6. Step 6: Final answer
    x = 2,726.99

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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.