Home / 1,961.28-2,940.48-1,837.44

Finding the Fourth Proportional to 1,961.28, 2,940.48 and 1,837.44

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Solution

The fourth proportional to 1,961.28, 2,940.48 and 1,837.44 is: 2,754.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,961.28 : 2,940.48 = 1,837.44 : x
  2. Step 2: Convert to fraction form
    1,961.28/2,940.48 = 1,837.44/x
  3. Step 3: Cross multiply
    1,961.28x = 2,940.48 × 1,837.44
  4. Step 4: Simplify right side
    1,961.28x = 5,402,955.57
  5. Step 5: Solve for x
    x = 5,402,955.57/1,961.28
  6. Step 6: Final answer
    x = 2,754.81

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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.