Home / 1,940.07-2,677.14-1,351.88

Finding the Fourth Proportional to 1,940.07, 2,677.14 and 1,351.88

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Solution

The fourth proportional to 1,940.07, 2,677.14 and 1,351.88 is: 1,865.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,940.07 : 2,677.14 = 1,351.88 : x
  2. Step 2: Convert to fraction form
    1,940.07/2,677.14 = 1,351.88/x
  3. Step 3: Cross multiply
    1,940.07x = 2,677.14 × 1,351.88
  4. Step 4: Simplify right side
    1,940.07x = 3,619,158.64
  5. Step 5: Solve for x
    x = 3,619,158.64/1,940.07
  6. Step 6: Final answer
    x = 1,865.48

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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.