Home / 3,392.13-4,680.75-1,976.11

Finding the Fourth Proportional to 3,392.13, 4,680.75 and 1,976.11

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Solution

The fourth proportional to 3,392.13, 4,680.75 and 1,976.11 is: 2,726.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,392.13 : 4,680.75 = 1,976.11 : x
  2. Step 2: Convert to fraction form
    3,392.13/4,680.75 = 1,976.11/x
  3. Step 3: Cross multiply
    3,392.13x = 4,680.75 × 1,976.11
  4. Step 4: Simplify right side
    3,392.13x = 9,249,676.88
  5. Step 5: Solve for x
    x = 9,249,676.88/3,392.13
  6. Step 6: Final answer
    x = 2,726.80

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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.