Home / 1,955.22-2,927.97-1,131.45

Finding the Fourth Proportional to 1,955.22, 2,927.97 and 1,131.45

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Solution

The fourth proportional to 1,955.22, 2,927.97 and 1,131.45 is: 1,694.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,955.22 : 2,927.97 = 1,131.45 : x
  2. Step 2: Convert to fraction form
    1,955.22/2,927.97 = 1,131.45/x
  3. Step 3: Cross multiply
    1,955.22x = 2,927.97 × 1,131.45
  4. Step 4: Simplify right side
    1,955.22x = 3,312,851.66
  5. Step 5: Solve for x
    x = 3,312,851.66/1,955.22
  6. Step 6: Final answer
    x = 1,694.36

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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.