Home / 3,287.26-4,536.46-1,961.72

Finding the Fourth Proportional to 3,287.26, 4,536.46 and 1,961.72

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Solution

The fourth proportional to 3,287.26, 4,536.46 and 1,961.72 is: 2,707.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,287.26 : 4,536.46 = 1,961.72 : x
  2. Step 2: Convert to fraction form
    3,287.26/4,536.46 = 1,961.72/x
  3. Step 3: Cross multiply
    3,287.26x = 4,536.46 × 1,961.72
  4. Step 4: Simplify right side
    3,287.26x = 8,899,264.31
  5. Step 5: Solve for x
    x = 8,899,264.31/3,287.26
  6. Step 6: Final answer
    x = 2,707.20

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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.