Home / 3,161.13-4,362.36-1,763.88

Finding the Fourth Proportional to 3,161.13, 4,362.36 and 1,763.88

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Solution

The fourth proportional to 3,161.13, 4,362.36 and 1,763.88 is: 2,434.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,161.13 : 4,362.36 = 1,763.88 : x
  2. Step 2: Convert to fraction form
    3,161.13/4,362.36 = 1,763.88/x
  3. Step 3: Cross multiply
    3,161.13x = 4,362.36 × 1,763.88
  4. Step 4: Simplify right side
    3,161.13x = 7,694,648.93
  5. Step 5: Solve for x
    x = 7,694,648.93/3,161.13
  6. Step 6: Final answer
    x = 2,434.15

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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.