Home / 1,982.19-2,735.34-1,097.94

Finding the Fourth Proportional to 1,982.19, 2,735.34 and 1,097.94

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Solution

The fourth proportional to 1,982.19, 2,735.34 and 1,097.94 is: 1,515.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,982.19 : 2,735.34 = 1,097.94 : x
  2. Step 2: Convert to fraction form
    1,982.19/2,735.34 = 1,097.94/x
  3. Step 3: Cross multiply
    1,982.19x = 2,735.34 × 1,097.94
  4. Step 4: Simplify right side
    1,982.19x = 3,003,239.20
  5. Step 5: Solve for x
    x = 3,003,239.20/1,982.19
  6. Step 6: Final answer
    x = 1,515.11

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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.