Home / 3,170.90-4,755.59-1,322.04

Finding the Fourth Proportional to 3,170.90, 4,755.59 and 1,322.04

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Solution

The fourth proportional to 3,170.90, 4,755.59 and 1,322.04 is: 1,982.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,170.90 : 4,755.59 = 1,322.04 : x
  2. Step 2: Convert to fraction form
    3,170.90/4,755.59 = 1,322.04/x
  3. Step 3: Cross multiply
    3,170.90x = 4,755.59 × 1,322.04
  4. Step 4: Simplify right side
    3,170.90x = 6,287,080.20
  5. Step 5: Solve for x
    x = 6,287,080.20/3,170.90
  6. Step 6: Final answer
    x = 1,982.74

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.