Home / 1,982.89-2,734.57-1,703.03

Finding the Fourth Proportional to 1,982.89, 2,734.57 and 1,703.03

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Solution

The fourth proportional to 1,982.89, 2,734.57 and 1,703.03 is: 2,348.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,982.89 : 2,734.57 = 1,703.03 : x
  2. Step 2: Convert to fraction form
    1,982.89/2,734.57 = 1,703.03/x
  3. Step 3: Cross multiply
    1,982.89x = 2,734.57 × 1,703.03
  4. Step 4: Simplify right side
    1,982.89x = 4,657,054.75
  5. Step 5: Solve for x
    x = 4,657,054.75/1,982.89
  6. Step 6: Final answer
    x = 2,348.62

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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.