Home / 3,287.00-4,531.86-1,960.22

Finding the Fourth Proportional to 3,287.00, 4,531.86 and 1,960.22

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Solution

The fourth proportional to 3,287.00, 4,531.86 and 1,960.22 is: 2,702.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,287.00 : 4,531.86 = 1,960.22 : x
  2. Step 2: Convert to fraction form
    3,287.00/4,531.86 = 1,960.22/x
  3. Step 3: Cross multiply
    3,287.00x = 4,531.86 × 1,960.22
  4. Step 4: Simplify right side
    3,287.00x = 8,883,419.95
  5. Step 5: Solve for x
    x = 8,883,419.95/3,287.00
  6. Step 6: Final answer
    x = 2,702.60

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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.