Home / 3,287.87-4,536.51-1,961.31

Finding the Fourth Proportional to 3,287.87, 4,536.51 and 1,961.31

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Solution

The fourth proportional to 3,287.87, 4,536.51 and 1,961.31 is: 2,706.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,287.87 : 4,536.51 = 1,961.31 : x
  2. Step 2: Convert to fraction form
    3,287.87/4,536.51 = 1,961.31/x
  3. Step 3: Cross multiply
    3,287.87x = 4,536.51 × 1,961.31
  4. Step 4: Simplify right side
    3,287.87x = 8,897,502.43
  5. Step 5: Solve for x
    x = 8,897,502.43/3,287.87
  6. Step 6: Final answer
    x = 2,706.16

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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.