Home / 1,980.92-2,734.70-1,850.04

Finding the Fourth Proportional to 1,980.92, 2,734.70 and 1,850.04

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Solution

The fourth proportional to 1,980.92, 2,734.70 and 1,850.04 is: 2,554.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,980.92 : 2,734.70 = 1,850.04 : x
  2. Step 2: Convert to fraction form
    1,980.92/2,734.70 = 1,850.04/x
  3. Step 3: Cross multiply
    1,980.92x = 2,734.70 × 1,850.04
  4. Step 4: Simplify right side
    1,980.92x = 5,059,304.39
  5. Step 5: Solve for x
    x = 5,059,304.39/1,980.92
  6. Step 6: Final answer
    x = 2,554.02

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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.