Home / 3,287.86-4,536.70-1,961.08

Finding the Fourth Proportional to 3,287.86, 4,536.70 and 1,961.08

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Solution

The fourth proportional to 3,287.86, 4,536.70 and 1,961.08 is: 2,705.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,287.86 : 4,536.70 = 1,961.08 : x
  2. Step 2: Convert to fraction form
    3,287.86/4,536.70 = 1,961.08/x
  3. Step 3: Cross multiply
    3,287.86x = 4,536.70 × 1,961.08
  4. Step 4: Simplify right side
    3,287.86x = 8,896,815.39
  5. Step 5: Solve for x
    x = 8,896,815.39/3,287.86
  6. Step 6: Final answer
    x = 2,705.96

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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.