Home / 3,214.25-4,435.70-1,817.03

Finding the Fourth Proportional to 3,214.25, 4,435.70 and 1,817.03

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Solution

The fourth proportional to 3,214.25, 4,435.70 and 1,817.03 is: 2,507.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,214.25 : 4,435.70 = 1,817.03 : x
  2. Step 2: Convert to fraction form
    3,214.25/4,435.70 = 1,817.03/x
  3. Step 3: Cross multiply
    3,214.25x = 4,435.70 × 1,817.03
  4. Step 4: Simplify right side
    3,214.25x = 8,059,799.97
  5. Step 5: Solve for x
    x = 8,059,799.97/3,214.25
  6. Step 6: Final answer
    x = 2,507.52

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1.5x scale

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.